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Extract from the Register of European Patents

EP About this file: EP2997693

EP2997693 - SECURE SESSION CAPABILITY USING PUBLIC-KEY CRYPTOGRAPHY WITHOUT ACCESS TO THE PRIVATE KEY [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 04.08.2023 Database last updated on 24.04.2024
Former	The patent has been granted Status updated on 26.08.2022
Former	Grant of patent is intended Status updated on 30.03.2022
Former	Examination is in progress Status updated on 14.09.2018
Most recent event Tooltip	16.02.2024	Lapse of the patent in a contracting state New state(s): BE	published on 20.03.2024 [2024/12]
Applicant(s)	For all designated states Cloudflare, Inc. 101 Townsend St. San Francisco, CA 94107 / US
	[2022/39]
Former [2020/15]	For all designated states Cloudflare, Inc. 665 Third Street, Suite 207 San Francisco, CA 94107 / US
Former [2016/12]	For all designated states Cloudflare Inc. 665 Third Street Suite 207 San Francisco, CA 94107 / US
Inventor(s)	01 / PAHL, Sebastian Andreas Henry San Francisco, CA 94107 / US
	02 / TOURNE, Matthieu Philippe Francois San Francisco, CA 94107 / US
	03 / SIKORA, Piotr San Francisco, CA 94107 / US
	04 / BEJJANI, Ray Raymond San Francisco, CA 94107 / US
	05 / KNECHT, Dane Orion San Francisco, CA 94107 / US
	06 / PRINCE, Matthew Browning San Francisco, CA 94107 / US
	07 / GRAHAM-CUMMING, John San Francisco, CA 94107 / US
	08 / HALLOWAY, Lee Hahn San Francisco, CA 94107 / US
	[2022/39]
Former [2016/12]	01 / PAHL, Sebastian Andreas Henry 665 Third Street Suite 207 San Francisco, California 94107 / US
	02 / TOURNE, Matthieu Philippe Francois 665 Third Street Suite 207 San Francisco, California 94107 / US
	03 / SIKORA, Piotr 665 Third Street Suite 207 San Francisco, California 94107 / US
	04 / BEJJANI, Ray Raymond 665 Third Street Suite 207 San Francisco, California 94107 / US
	05 / KNECHT, Dane Orion 665 Third Street Suite 207 San Francisco, California 94107 / US
	06 / PRINCE, Matthew Browning 665 Third Street Suite 207 San Francisco, California 94107 / US
	07 / GRAHAM-CUMMING, John 665 Third Street Suite 207 San Francisco, California 94107 / US
	08 / HALLOWAY, Lee Hahn 665 Third Street Suite 207 San Francisco, California 94107 / US
Representative(s)	Boult Wade Tennant LLP Salisbury Square House 8 Salisbury Square London EC4Y 8AP / GB
	[2022/39]
Former [2016/12]	Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT / GB
Application number, filing date	14759676.1	06.03.2014
	[2016/12]
	WO2014US21434
Priority number, date	US201313788784	07.03.2013 Original published format: US201313788784
	[2016/12]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO2014138494
	Date:	12.09.2014
	Language:	EN
	[2014/37]
	Type:	A1 Application with search report
	No.:	EP2997693
	Date:	23.03.2016
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 12.09.2014 takes the place of the publication of the European patent application.
	[2016/12]
	Type:	B1 Patent specification
	No.:	EP2997693
	Date:	28.09.2022
	Language:	EN
	[2022/39]
Search report(s)	International search report - published on:	US	12.09.2014
	(Supplementary) European search report - dispatched on:	EP	13.01.2017
Classification	IPC:	H04L9/40, H04L9/08, G06F21/33	[2022/16]
	CPC:	H04L63/062 (EP); H04L63/0435 (EP,US); G06F21/335 (EP,US); H04L63/0442 (US); H04L63/061 (US); H04L63/0823 (EP,US); (+) H04L63/0869 (US); H04L63/166 (EP,US); H04L9/0825 (EP,US); H04L9/0841 (US); H04L9/0869 (US); H04L9/3263 (US); H04L2463/061 (EP) (-)
	Former IPC [2017/07]	H04L9/08, H04L29/06, G06F21/33
	Former IPC [2016/12]	H04L9/08
Designated contracting states	AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2016/12]
Extension states	BA	Not yet paid
	ME	Not yet paid
Title	German:	SICHERE SITZUNGSKAPAZITÄT UNTER VERWENDUNG EINES KRYPTOGRAFIESYSTEMS MIT ÖFFENTLICHEM SCHLÜSSEL OHNE ZUGANG ZUM PRIVATEN SCHLÜSSEL	[2016/12]
	English:	SECURE SESSION CAPABILITY USING PUBLIC-KEY CRYPTOGRAPHY WITHOUT ACCESS TO THE PRIVATE KEY	[2016/12]
	French:	CAPACITÉ DE SESSION SÉCURISÉE À L'AIDE DE LA CRYPTOGRAPHIE À CLÉ PUBLIQUE SANS AVOIR ACCÈS À LA CLÉ PRIVÉE	[2016/12]
Entry into regional phase	11.01.2016	National basic fee paid
	11.01.2016	Search fee paid
	11.01.2016	Designation fee(s) paid
	11.01.2016	Examination fee paid
Examination procedure	deleted	Deletion: Application deemed to be withdrawn, date of legal effect [2016/12]
	13.11.2015	Despatch of communication that the application is deemed to be withdrawn, reason: filing fee / search fee not paid in time [2016/12]
	11.01.2016	Examination requested [2016/12]
	07.08.2017	Amendment by applicant (claims and/or description)
	12.09.2018	Despatch of a communication from the examining division (Time limit: M06)
	19.03.2019	Reply to a communication from the examining division
	21.08.2019	Despatch of a communication from the examining division (Time limit: M06)
	28.02.2020	Reply to a communication from the examining division
	08.06.2020	Despatch of a communication from the examining division (Time limit: M06)
	15.12.2020	Reply to a communication from the examining division
	28.04.2021	Despatch of a communication from the examining division (Time limit: M06)
	02.11.2021	Reply to a communication from the examining division
	31.03.2022	Communication of intention to grant the patent
	22.08.2022	Fee for grant paid
	22.08.2022	Fee for publishing/printing paid
	22.08.2022	Receipt of the translation of the claim(s)
Divisional application(s)	The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 12.09.2018
Opposition(s)	29.06.2023	No opposition filed within time limit [2023/36]
Request for further processing for:	The application is deemed to be withdrawn due to failure to fulfill actions required for granting the patent
	22.08.2022	Request for further processing filed
	22.08.2022	Full payment received (date of receipt of payment) Request granted
	29.08.2022	Decision despatched
	The application is deemed to be withdrawn due to non-payment of the search fee
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	The application is deemed to be withdrawn due to non-payment of the filing fee
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	The application is deemed to be withdrawn due to non-payment of the examination fee
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	The application is deemed to be withdrawn due to non-payment of designation fees TR, SM, SK, SI, SE, RS, RO, PT, PL, NO, NL, MT, MK, MC, LV, LU, LT, IT, IS, IE, HU, HR, GR, GB, FR, FI, ES, EE, DK, DE, CZ, CY, CH, BG, BE, AT, AL
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
	11.01.2016	Request for further processing filed
	11.01.2016	Full payment received (date of receipt of payment) Request granted
	29.01.2016	Decision despatched
Fees paid	Renewal fee
	31.03.2016	Renewal fee patent year 03
	27.03.2017	Renewal fee patent year 04
	27.03.2018	Renewal fee patent year 05
	27.03.2019	Renewal fee patent year 06
	27.03.2020	Renewal fee patent year 07
	29.03.2021	Renewal fee patent year 08
	28.03.2022	Renewal fee patent year 09
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition Tooltip	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SI	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
	IE	06.03.2023
	LU	06.03.2023
	BE	31.03.2023
	CH	31.03.2023
	LI	31.03.2023
	[2024/12]
Former [2024/09]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SI	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
	IE	06.03.2023
	LU	06.03.2023
	CH	31.03.2023
	LI	31.03.2023
Former [2024/08]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SI	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
	IE	06.03.2023
	LU	06.03.2023
Former [2024/02]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SI	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
	LU	06.03.2023
Former [2023/51]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SI	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
Former [2023/48]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	MC	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
Former [2023/34]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	DK	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
Former [2023/29]	AL	28.09.2022
	AT	28.09.2022
	CZ	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
Former [2023/26]	AT	28.09.2022
	CZ	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	PL	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	IS	28.01.2023
	PT	30.01.2023
Former [2023/23]	AT	28.09.2022
	CZ	28.09.2022
	EE	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SK	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	PT	30.01.2023
Former [2023/22]	AT	28.09.2022
	CZ	28.09.2022
	ES	28.09.2022
	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	RO	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
	PT	30.01.2023
Former [2023/20]	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	SM	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
Former [2023/10]	FI	28.09.2022
	HR	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	NO	28.12.2022
	GR	29.12.2022
Former [2023/09]	FI	28.09.2022
	LT	28.09.2022
	LV	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	NO	28.12.2022
Former [2023/08]	FI	28.09.2022
	LT	28.09.2022
	RS	28.09.2022
	SE	28.09.2022
	NO	28.12.2022
Documents cited:	Search	[XI]US2004161110 (KANAI TATSUNORI [JP], et al) [X] 1,4,5,8,13,14 * figure 2 * * paragraph [0031] - paragraph [0049] * [I] 2,3,6,7,9-12;
		[A]US2013031356 (PRINCE MATTHEW BROWNING [US], et al) [A] 1-14 * paragraphs [0114] , [0117] , [0121] ** paragraphs [0122] - [0124] *;
		[XPI]WO2013090894 (AKAMAI TECH INC [US]) [XP] 1,4,5,8,13,14 * page 8 - page 11 * [I] 2,3,6,7,9-12
	International search	[Y]US2006005017 (BLACK ALISTAIR D [US], et al);
		[Y]US2006294366 (NADALIN ANTHONY J [US], et al)
	Examination	- JAGER TIBOR ET AL, On the Security of TLS-DHE in the Standard Model, INTERNATIONAL CONFERENCE ON COMPUTER ANALYSIS OF IMAGES AND PATTERNS. CAIP 2017: COMPUTER ANALYSIS OF IMAGES AND PATTERNS; [LECTURE NOTES IN COMPUTER SCIENCE; LECT.NOTES COMPUTER], SPRINGER, BERLIN, HEIDELBERG, PAGE(S) 273 - 293, (20120819), ISBN 978-3-642-17318-9, XP047339188 DOI: http://dx.doi.org/10.1007/978-3-642-32009-5_17
	by applicant	US2004161110
		US2006005017
		US2006294366
		WO2013090894

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