blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP All documents: EP0020251 Dossier alert: RSS Email

Subscribe to email alerts


Dossier(s):   EP0020251



A confirmation email will be sent to the email address indicated

Date Document type Procedure Number of pages
Total number of pages: 1896
21.06.2000 F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition Appeal 1
21.06.2000 F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition Appeal 1
21.06.2000 F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition Appeal 1
21.06.2000 Termination of the opposition proceedings with revocation of patent Opposition 1
19.06.2000 Withdrawal of an appeal Appeal 1
15.06.2000 F3014 Oral Proceedings: Order cancelling/postponing Appeal 1
15.06.2000 F3017 Oral Proceedings: Notification of cancellation/postponing Appeal 2
15.06.2000 F3017 Oral Proceedings: Notification of cancellation/postponing Appeal 2
15.06.2000 F3017 Oral Proceedings: Notification of cancellation/postponing Appeal 2
15.06.2000 Withdrawal of an appeal Appeal 1
05.06.2000 F3345 Forwarding of submissions to parties Appeal 1
05.06.2000 F3345 Forwarding of submissions to parties Appeal 1
30.05.2000 Letter dealing with oral proceedings during the appeal procedure Appeal 1
23.05.2000 Abstract Search / examination 1
23.05.2000 Authorisation Search / examination 1
23.05.2000 Claims Search / examination 22
23.05.2000 Description Search / examination 49
23.05.2000 Designation of inventor Search / examination 1
23.05.2000 Drawings Search / examination 7
23.05.2000 Letter accompanying subsequently filed items Search / examination 1
23.05.2000 Request for grant of a European patent Search / examination 8
16.05.2000 Letter Boards of Appeal, with label space Appeal 1
16.05.2000 Letter Boards of Appeal, with label space Appeal 1
09.05.2000 Letter dealing with oral proceedings during the appeal procedure Appeal 1
13.01.2000 F3011.1 Oral Proceedings: summons Appeal 1
13.01.2000 F3011.1 Oral Proceedings: summons Appeal 1
13.01.2000 F3011.1 Oral Proceedings: summons Appeal 1
11.01.2000 F3010 Oral proceedings: order for summons Appeal 1
23.12.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
20.12.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
10.12.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
10.12.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
10.12.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
09.09.1999 F3014 Oral Proceedings: Order cancelling/postponing Appeal 1
08.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
07.09.1999 Letter Boards of Appeal, with label space Appeal 1
07.09.1999 Letter Boards of Appeal, with label space Appeal 1
07.09.1999 Letter Boards of Appeal, with label space Appeal 1
07.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
07.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
07.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
03.09.1999 Letter Boards of Appeal, with label space Appeal 2
03.09.1999 Letter Boards of Appeal, with label space Appeal 2
03.09.1999 Letter Boards of Appeal, with label space Appeal 2
02.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
02.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
02.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 3
02.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
02.09.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 2
27.08.1999 Letter Boards of Appeal, with label space Appeal 1
27.08.1999 Letter Boards of Appeal, with label space Appeal 1
26.08.1999 Letter Boards of Appeal, with label space Appeal 1
26.08.1999 Letter Boards of Appeal, with label space Appeal 1
17.08.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
17.08.1999 Non-Patent Literature cited during the appeal procedure Appeal 18
16.08.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 19
13.08.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 25
14.07.1999 Letter Boards of Appeal, with label space Appeal 1
14.07.1999 Letter Boards of Appeal, with label space Appeal 1
02.07.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 19
12.04.1999 Acknowledgement of a document Appeal 2
18.03.1999 Advice of delivery Appeal 2
13.03.1999 Advice of delivery Appeal 2
08.03.1999 F3010 Oral proceedings: order for summons Appeal 1
08.03.1999 F3011.1 Oral Proceedings: summons Appeal 1
08.03.1999 F3011.1 Oral Proceedings: summons Appeal 1
08.03.1999 F3011.1 Oral Proceedings: summons Appeal 1
08.03.1999 F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal) Appeal 4
15.02.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
12.02.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
11.02.1999 Letter dealing with oral proceedings during the appeal procedure Appeal 1
05.02.1999 Communication (no form) Appeal 1
05.02.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
05.02.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
05.02.1999 Oral proceedings: FAX proposing dates (inter partes) Appeal 2
15.01.1999 F3345 Forwarding of submissions to parties Appeal 1
15.01.1999 F3345 Forwarding of submissions to parties Appeal 1
30.12.1998 Letter relating to Appeal Procedure Appeal 1
25.09.1998 F3345 Forwarding of submissions to parties Appeal 1
25.09.1998 F3345 Forwarding of submissions to parties Appeal 1
12.09.1998 Letter relating to Appeal Procedure Appeal 3
04.08.1997 Communication (no form) Appeal 1
04.08.1997 Communication (no form) Appeal 1
28.07.1997 Annexes (other than cited documents) regarding appeal procedure Appeal 2
28.07.1997 Letter relating to Appeal Procedure Appeal 10
07.10.1996 F3345 Forwarding of submissions to parties Appeal 1
07.10.1996 F3345 Forwarding of submissions to parties Appeal 1
18.09.1996 Letter relating to Appeal Procedure Appeal 25
18.09.1996 Non-Patent Literature cited during the appeal procedure Appeal 24
16.09.1996 Letter relating to Appeal Procedure Appeal 51
26.07.1996 F3345 Forwarding of submissions to parties Appeal 1
26.07.1996 F3345 Forwarding of submissions to parties Appeal 1
12.07.1996 Annexes (other than cited documents) regarding appeal procedure Appeal 20
12.07.1996 Annexes (other than cited documents) regarding appeal procedure Appeal 70
12.07.1996 Letter relating to Appeal Procedure Appeal 1
12.07.1996 Non-Patent Literature cited during the appeal procedure Appeal 1
08.07.1996 F3040 Term extension: Yes/No Appeal 1
08.07.1996 F3040 Term extension: Yes/No Appeal 1
08.07.1996 F3040 Term extension: Yes/No Appeal 1
03.07.1996 Request for extension of time limit Appeal 1
20.05.1996 F3040 Term extension: Yes/No Appeal 1
03.05.1996 Request for extension of time limit Appeal 1
02.05.1996 F3040 Term extension: Yes/No Appeal 1
02.05.1996 F3040 Term extension: Yes/No Appeal 1
02.05.1996 F3040 Term extension: Yes/No Appeal 1
24.04.1996 Letter relating to Appeal Procedure Appeal 1
05.01.1996 F3344 Setting time limit for reply/ file observations to appeal (inter partes) Appeal 1
05.01.1996 F3344 Setting time limit for reply/ file observations to appeal (inter partes) Appeal 1
27.12.1995 Annexes (other than cited documents) regarding appeal procedure Appeal 3
27.12.1995 Annexes (other than cited documents) regarding appeal procedure Appeal 3
27.12.1995 Annexes (other than cited documents) regarding appeal procedure Appeal 1
27.12.1995 Non-Patent Literature cited during the appeal procedure Appeal 8
27.12.1995 Non-Patent Literature cited during the appeal procedure Appeal 5
27.12.1995 Patent Document cited during the appeal procedure Appeal 23
27.12.1995 Patent Document cited during the appeal procedure Appeal 46
27.12.1995 Patent Document cited during the appeal procedure Appeal 19
27.12.1995 Statement of grounds of appeal Appeal 8
21.12.1995 Statement of grounds of appeal Appeal 14
14.11.1995 Composition of the board (except 325, 337 and 341) Appeal 1
31.10.1995 Communication to appellant regarding the appeal number (inter partes) Appeal 1
31.10.1995 Communication to respondent(s) concerning the filing of an appeal Appeal 1
31.10.1995 Communication to respondent(s) concerning the filing of an appeal Appeal 1
26.10.1995 Document concerning appeal fee Appeal 1
17.10.1995 Notice of appeal Appeal 1
26.08.1995 Acknowledgement of a document Opposition 2
24.08.1995 Advice of delivery Opposition 2
23.08.1995 Acknowledgement of a document Opposition 2
23.08.1995 Advice of delivery Opposition 2
18.08.1995 Annex to a communication Opposition 2
18.08.1995 Annex to a communication Opposition 2
18.08.1995 Annex to a communication Opposition 2
18.08.1995 Annex to a communication Opposition 3
18.08.1995 Annex to a communication Opposition 2
18.08.1995 Annex to a communication Opposition 1
18.08.1995 Annex to the communication Opposition 5
18.08.1995 Decision of the Opposition Division Opposition 1
18.08.1995 Decision revoking the European patent Opposition 1
18.08.1995 Decision revoking the European patent Opposition 1
18.08.1995 Decision revoking the European patent Opposition 1
18.08.1995 Grounds for the decision (Annex) Opposition 20
18.08.1995 Minutes of the oral proceedings (examining division) Opposition 2
10.07.1995 Any annexes (other than citation) to an opposition letter Opposition 25
10.07.1995 Any annexes (other than citation) to an opposition letter Opposition 1
10.07.1995 Brief communication to applicant/representative Opposition 1
10.07.1995 Brief communication to applicant/representative Opposition 1
10.07.1995 Written submission in preparation to/during oral proceedings Opposition 2
06.07.1995 Written submission in preparation to/during oral proceedings Opposition 29
26.06.1995 Brief communication to applicant/representative Opposition 1
23.06.1995 Oral proceedings: reply to date proposed Opposition 2
14.06.1995 Letter regarding the opposition procedure (no time limit) Opposition 1
09.06.1995 Brief communication to applicant/representative Opposition 1
09.06.1995 N/A Opposition 1
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 9
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 6
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 4
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 8
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 8
29.05.1995 Non-Patent Literature cited during the appeal procedure Appeal 12
29.05.1995 Non-patent literature cited during the opposition procedure Opposition 2
29.05.1995 Reply from the opponent to submission of proprietor Opposition 32
26.05.1995 Oral proceedings: reply to date proposed Opposition 1
09.05.1995 Oral proceedings: reply to date proposed Opposition 1
08.05.1995 Oral proceedings: reply to date proposed Opposition 1
05.05.1995 Oral proceedings: reply to date proposed Opposition 1
03.05.1995 Brief communication to applicant/representative Opposition 1
03.05.1995 Brief communication to applicant/representative Opposition 1
03.05.1995 Brief communication to applicant/representative Opposition 1
03.05.1995 Oral proceedings: reply to date proposed Opposition 2
13.03.1995 Summons to attend oral proceedings (Site = Bayerstrasse 34) Opposition 1
09.02.1995 Communication for party to proceedings/third party Opposition 1
13.01.1995 Advice of delivery Opposition 2
12.01.1995 Acknowledgement of a document Opposition 2
11.01.1995 Advice of delivery Opposition 2
06.01.1995 Acknowledgement of a document Opposition 2
04.01.1995 Summons to attend oral proceedings (Site = Bayerstrasse 34) Opposition 1
04.01.1995 Summons to attend oral proceedings (Site = Bayerstrasse 34) Opposition 1
04.01.1995 Summons to attend oral proceedings (Site = Bayerstrasse 34) Opposition 1
27.12.1994 Oral proceedings: reply to date proposed Opposition 1
19.12.1994 Oral proceedings: reply to date proposed Opposition 1
12.12.1994 Preparation of oral proceedings Opposition 1
12.12.1994 Preparation of oral proceedings Opposition 1
12.12.1994 Preparation of oral proceedings Opposition 1
09.12.1994 Preparation for oral proceedings Opposition 1
04.08.1994 Brief communication to applicant/representative Opposition 1
04.08.1994 Brief communication to applicant/representative Opposition 1
26.07.1994 Any annexes (other than citation) to an opposition letter Opposition 2
26.07.1994 Any annexes (other than citation) to an opposition letter Opposition 5
26.07.1994 Any annexes (other than citation) to an opposition letter Opposition 2
26.07.1994 Any annexes (other than citation) to an opposition letter Opposition 6
26.07.1994 Any annexes (other than citation) to an opposition letter Opposition 2
26.07.1994 Reply of the patent proprietor to the notice(s) of opposition Opposition 29
27.06.1994 Grant of extension of time limit (opposition procedure) Opposition 1
17.06.1994 Communication issued by Treasury and Accounting Opposition 1
17.06.1994 Communication issued by Treasury and Accounting Opposition 1
30.05.1994 Request for extension of time limit Opposition 1
27.05.1994 Request for extension of time limit Opposition 1
31.03.1994 Grant of extension of time limit (opposition procedure) Opposition 1
21.03.1994 Request for extension of time limit Opposition 1
26.11.1993 Communication of a notice of opposition and request to file observations Opposition 1
26.11.1993 Notice of further oppositions to opponent(s) Opposition 1
26.11.1993 Notice of further oppositions to opponent(s) Opposition 1
23.11.1993 Authorisation Opposition 1
23.11.1993 Letter regarding the opposition procedure (no time limit) Opposition 1
22.11.1993 Letter regarding the opposition procedure (no time limit) Opposition 1
22.11.1993 Letter regarding the opposition procedure (with time limit) Opposition 1
08.11.1993 Letter regarding the opposition procedure (with time limit) Opposition 1
25.10.1993 Communication of a notice of opposition - first information to patent proprietor Opposition 1
25.10.1993 N/A Opposition 1
25.10.1993 N/A Opposition 1
25.10.1993 Request for written evidence Opposition 1
20.10.1993 Communication of a notice of opposition - first information to patent proprietor Opposition 1
16.10.1993 Any annexes (other than citation) to an opposition letter Opposition 7
16.10.1993 Notice of opposition Opposition 28
16.10.1993 Notice of opposition Opposition 6
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 13
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 4
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 3
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 9
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 5
13.10.1993 Non-Patent Literature cited during the appeal procedure Appeal 12
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 6
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 10
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 6
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 3
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 5
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 6
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 6
13.10.1993 Non-patent literature cited during the opposition procedure Opposition 2
13.10.1993 Notice of opposition Opposition 6
13.10.1993 Notice of opposition Opposition 27
13.10.1993 Notice of opposition Opposition 28
13.10.1993 Patent Document cited during the appeal procedure Appeal 19
13.10.1993 Patent Document cited during the appeal procedure Appeal 21
13.10.1993 Patent Document cited during the appeal procedure Appeal 61
13.10.1993 Patent document cited during the opposition procedure Opposition 7
13.10.1993 Patent document cited during the opposition procedure Opposition 6
13.10.1993 Patent document cited during the opposition procedure Opposition 6
13.10.1993 Patent document cited during the opposition procedure Opposition 6
13.10.1993 Patent document cited during the opposition procedure Opposition 10
13.10.1993 Patent document cited during the opposition procedure Opposition 5
13.10.1993 Patent document cited during the opposition procedure Opposition 8
13.10.1993 Patent document cited during the opposition procedure Opposition 7
12.10.1993 Notice of opposition Opposition 29
14.01.1993 Communication for party to proceedings/third party Search / examination 1
04.01.1993 Request for change of address of the applicant Search / examination 1
31.12.1992 Request for change of address of the applicant Search / examination 1
03.12.1992 Decision to grant a European patent Search / examination 1
05.10.1992 Filing of the translations of the claims Search / examination 1
05.10.1992 Translation of the claims Search / examination 9
05.10.1992 Translation of the claims Search / examination 10
13.07.1992 Invitation to pay the fees for intended grant Search / examination 2
06.07.1992 Approval to announcement of intention to grant a European patent Search / examination 1
30.06.1992 Grant of extension of time limit Search / examination 1
26.06.1992 Request for extension of time limit to announcement of intention to grant Search / examination 1
23.06.1992 Request for extension of time limit to announcement of intention to grant Search / examination 1
17.02.1992 Communication about intention to grant a European patent Search / examination 2
17.02.1992 Documents for grant of a patent Search / examination 4
02.12.1991 Description Search / examination 9
02.12.1991 Reply to communication from the Examining Division Search / examination 1
21.10.1991 Communication from the Examining Division Search / examination 4
23.09.1991 Reply to communication from the Examining Division Search / examination 1
26.07.1991 Communication from the Examining Division Search / examination 3
10.07.1991 Claims Search / examination 8
10.07.1991 Claims Search / examination 8
10.07.1991 Drawings Search / examination 7
10.07.1991 Reply to communication from the Examining Division Search / examination 2
09.07.1991 Reply to communication from the Examining Division Search / examination 11
07.03.1991 Communication from the Examining Division Search / examination 5
19.11.1990 Claims Search / examination 8
19.11.1990 Matter concerning the application Search / examination 1
19.11.1990 Reply to communication from the Examining Division Search / examination 2
13.07.1990 Grant of extension of time limit (examination procedure) Search / examination 1
12.07.1990 Communication about missing advice of delivery Search / examination 6
26.03.1990 Communication from the Examining Division Search / examination 6
01.03.1990 Text intended for grant Search / examination 108
04.09.1989 F3032 Notification(s) of the decision Appeal 1
29.08.1989 Communication for party to proceedings/third party Appeal 17
29.08.1989 Data sheet for the decision Appeal 1
15.02.1988 Annexes (other than cited documents) regarding appeal procedure Appeal 7
15.02.1988 Letter relating to Appeal Procedure Appeal 1
27.07.1987 Communication (no form) Appeal 1
02.07.1987 Composition of the board (except 325, 337 and 341) Appeal 1
22.06.1987 Letter relating to Appeal Procedure Appeal 1
22.06.1987 Patent document cited during the opposition procedure Opposition 7
19.06.1987 Communication to appellant regarding the appeal number (ex parte) Appeal 1
05.05.1987 Processing of an appeal Search / examination 1
07.04.1987 Annexes (other than cited documents) regarding appeal procedure Appeal 3
07.04.1987 Statement of grounds of appeal Appeal 6
02.02.1987 Notice of appeal Appeal 1
02.12.1986 Decision to refuse the application (examining division) Search / examination 1
02.12.1986 Grounds for the decision (Annex) Search / examination 12
02.12.1986 Means of redress Search / examination 1
03.11.1986 Communication for party to proceedings/third party Search / examination 1
18.07.1986 Request for extension of time limit to communication from the Examining Division Search / examination 1
20.05.1986 Claims Search / examination 5
20.05.1986 Non-patent literature cited during the examination procedure Search / examination 25
20.05.1986 Patent document cited during the examination procedure Search / examination 30
20.05.1986 Reply to communication from the Examining Division Search / examination 4
09.04.1986 Matter concerning the application Search / examination 1
08.04.1986 Application deemed to be withdrawn (request for further processing without effect) Search / examination 1
14.03.1986 Request for extension of time limit to communication from the Examining Division Search / examination 1
14.11.1985 Consultation by telephone/in person (with time limit) Search / examination 7
16.10.1985 Result of consultation by telephone/in person Search / examination 7
10.10.1985 Communication for party to proceedings/third party Search / examination 1
30.09.1985 Annex Search / examination 1
30.09.1985 Matter concerning the application Search / examination 1
24.07.1985 Matter concerning the application Search / examination 1
24.06.1985 Matter concerning the application Search / examination 1
24.06.1985 Patent document cited during the examination procedure Search / examination 2
13.06.1985 Claims Search / examination 5
13.06.1985 Reply to communication from the Examining Division Search / examination 2
10.05.1985 Application deemed to be withdrawn (request for further processing without effect) Search / examination 1
12.04.1985 Communication for party to proceedings/third party Search / examination 1
12.04.1985 Request for extension of time limit to communication from the Examining Division Search / examination 1
10.04.1985 Request for extension of time limit to communication from the Examining Division Search / examination 1
06.12.1984 Communication from the Examining Division Search / examination 3
06.04.1984 Non-patent literature cited during the examination procedure Search / examination 5
06.04.1984 Non-patent literature cited during the examination procedure Search / examination 6
06.04.1984 Non-patent literature cited during the examination procedure Search / examination 5
06.04.1984 Reply to communication from the Examining Division Search / examination 2
21.03.1984 Application deemed to be withdrawn (request for further processing without effect) Search / examination 1
05.03.1984 Request for extension of time limit to communication from the Examining Division Search / examination 1
02.03.1984 Request for extension of time limit to communication from the Examining Division Search / examination 1
19.01.1984 Note on telephone consultation Search / examination 2
03.11.1983 Communication from the Examining Division Search / examination 9
10.03.1983 Claims Search / examination 5
10.03.1983 Reply to communication from the Examining Division Search / examination 2
26.01.1983 Application deemed to be withdrawn (request for further processing without effect) Search / examination 1
17.01.1983 Request for extension of time limit to communication from the Examining Division Search / examination 1
14.01.1983 Request for extension of time limit to communication from the Examining Division Search / examination 1
13.09.1982 Communication from the Examining Division Search / examination 3
18.09.1981 Communication for party to proceedings/third party Search / examination 1
18.09.1981 Communication for party to proceedings/third party Search / examination 1
14.09.1981 Claims Search / examination 5
14.09.1981 Matter concerning the application Search / examination 1
25.05.1981 Reminder: revised request form for grant of a European patent Search / examination 1
12.05.1981 Matter concerning the application Search / examination 1
20.03.1981 Communication regarding the transmission of the European search report Search / examination 1
20.03.1981 European search report Search / examination 3
15.12.1980 Invitation to pay administrative fee for transfer of rights Search / examination 1
23.10.1980 Letter concerning fees and payments Search / examination 1
23.10.1980 Payment of fees and costs Search / examination 1
16.10.1980 Notification of forthcoming publication Search / examination 1
07.10.1980 Communication regarding the transmission of the European search report Search / examination 1
07.10.1980 European search report Search / examination 4
03.09.1980 Letter concerning the priority Search / examination 1
03.09.1980 Priority document Search / examination 27
24.07.1980 Priority document Search / examination 68
23.07.1980 Claims Search / examination 8
23.07.1980 Description Search / examination 1
23.07.1980 Matter concerning the application Search / examination 1
23.07.1980 Matter concerning the application Search / examination 1
17.06.1980 Communication for party to proceedings/third party Search / examination 2
03.06.1980 Deficiencies in application documents Search / examination 2
03.06.1980 Deficiencies in application documents Search / examination 2