Firearm Having An Indirect Gas Operating System

Patent No. EP1797389 (titled "Firearm Having An Indirect Gas Operating System") was filed by Colt Defense on Sep 19, 2005. The application was issued on Dec 21, 2016.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
HECKLER & KOCH	Jul 26, 2017	SAMSON & PARTNER PATENTANWALTE MBB

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Aug 21, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 21, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Aug 16, 2018
Termination of the opposition proceedings with revocation of patent
May 30, 2018
Advice of delivery
May 30, 2018
Advice of delivery
May 16, 2018
Advice of delivery
May 15, 2018
Advice of delivery
May 7, 2018
Acknowledgement of a document
May 7, 2018
Acknowledgement of a document
May 7, 2018
Decision of the Opposition Division and instruction
May 7, 2018
Decision revoking the European patent
May 7, 2018
Grounds for the decision (Annex) - opposition
May 7, 2018
Internal form - Opposition/addressees
Sep 6, 2017
Communication of a notice of opposition and request to file observations
Sep 6, 2017
Notice of further oppositions to opponent(s)
Jul 31, 2017
Communication of a notice of opposition - first information to patent proprietor
Jul 26, 2017
(Electronic) Receipt
Jul 26, 2017
Any annexes (other than citation) to an opposition letter
Jul 26, 2017
Citation in opposition procedure
Jul 26, 2017
Non-patent literature cited during the opposition procedure
Jul 26, 2017
Non-patent literature cited during the opposition procedure
Jul 26, 2017
Notice of opposition
Jul 26, 2017
Notice of opposition
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Jul 26, 2017
Patent document cited during the opposition procedure
Oct 26, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 25, 2016
Correction to published European patent application/patent specification
Oct 19, 2016
Refund of fees
Oct 12, 2016
Communication of the registration of a transfer or change of name and/or address
Oct 4, 2016
Payment of fees and costs
Oct 4, 2016
Submission concerning a transfer of rights (applicant)
Sep 29, 2016
Decision to grant a European patent
Sep 6, 2016
Payment of fees and costs
Sep 6, 2016
Submission concerning a transfer of rights (applicant)
Aug 8, 2016
(Electronic) Receipt
Aug 8, 2016
Filing of the translations of the claims
Aug 8, 2016
French translation of claims
Aug 8, 2016
German translation of the claims
Aug 8, 2016
Letter accompanying subsequently filed items
Apr 4, 2016
Bibliographic data of the European patent application
Apr 4, 2016
Communication about intention to grant a European patent
Apr 4, 2016
Intention to grant (signatures)
Apr 4, 2016
Text intended for grant (clean copy)
Apr 4, 2016
Text intended for grant (version for approval)
Mar 14, 2016
Notification concerning the date of oral proceedings
Mar 9, 2016
Notification concerning the date of oral proceedings
Mar 8, 2016
Findings upon submissions relating to oral proceedings
Feb 22, 2016
(Electronic) Receipt
Feb 22, 2016
Amended claims with annotations
Feb 22, 2016
Amended claims with annotations
Feb 22, 2016
Claims
Feb 22, 2016
Claims
Feb 22, 2016
Description
Feb 22, 2016
Letter accompanying subsequently filed items
Feb 22, 2016
Written submission in preparation to/during oral proceedings
Jan 11, 2016
Advice of delivery
Dec 29, 2015
Advice of delivery
Dec 21, 2015
Communication about missing advice of delivery
Nov 10, 2015
Acknowledgement of a document
Nov 10, 2015
Advice of delivery
Nov 10, 2015
Annex to the communication
Nov 10, 2015
Summons to attend oral proceedings
Nov 5, 2015
Preparation for oral proceedings
Sep 1, 2015
Communication of amended entries concerning the representative
Aug 21, 2015
Submission concerning change of applicant's representative
Jul 22, 2015
Submission concerning change of applicant's representative
Jun 26, 2015
Communication of amended entries concerning the representative
Jun 22, 2015
Submission concerning change of applicant's representative
Jun 19, 2015
Submission concerning change of applicant's representative
Apr 24, 2015
(Electronic) Receipt
Apr 24, 2015
Claims
Apr 24, 2015
Claims
Apr 24, 2015
Description
Apr 24, 2015
Letter accompanying subsequently filed items
Apr 24, 2015
Reply to communication from the Examining Division
Dec 23, 2014
Annex to the communication
Dec 23, 2014
Communication from the Examining Division
Apr 17, 2014
Amended claims with annotations
Apr 17, 2014
Claims
Apr 17, 2014
Reply to communication from the Examining Division
Apr 14, 2014
Amended claims with annotations
Apr 14, 2014
Claims
Apr 14, 2014
Letter accompanying subsequently filed items
Apr 14, 2014
Reply to communication from the Examining Division
Apr 14, 2014
Reply to communication from the Examining Division
Feb 6, 2014
Grant of extension of time limit (examination procedure)
Feb 3, 2014
Request for extension of time limit to communication from the Examining Division
Jan 30, 2014
Request for extension of time limit to communication from the Examining Division
Oct 3, 2013
Annex to the communication
Oct 3, 2013
Communication from the Examining Division
Sep 26, 2013
Examination started
May 4, 2012
Amended claims filed after receipt of (European) search report
May 4, 2012
Amended claims with annotations
May 4, 2012
Amendments received before examination
May 4, 2012
Letter accompanying subsequently filed items
Apr 25, 2012
Amended claims filed after receipt of (European) search report
Apr 25, 2012
Amended claims with annotations
Apr 25, 2012
Amendments received before examination
Apr 25, 2012
Letter accompanying subsequently filed items
Oct 25, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 7, 2011
Communication regarding the transmission of the European search report
Oct 7, 2011
European search opinion
Oct 7, 2011
Supplementary European search report
Jun 8, 2011
Reply to the invitation to clarify the claims/the subject matter of the application
Jun 6, 2011
Reply to the invitation to clarify the claims/the subject matter of the application
Apr 4, 2011
Annex to the communication
Apr 4, 2011
Invitation to indicate the claims to be searched
Jun 17, 2009
Annexes to the international preliminary examination report
Jun 17, 2009
Copy of the international preliminary examination report
Jul 1, 2008
Submission concerning representation
Jan 9, 2008
Refund of fees
Dec 15, 2007
Letter concerning fees and payments
Dec 13, 2007
Letter accompanying subsequently filed items
Dec 13, 2007
Letter concerning fees and payments
Dec 13, 2007
Payment of fees and costs
Nov 5, 2007
Notice drawing attention to the payment of the renewal fee and additional fee
Jul 18, 2007
Reminder for payment period (examination fee/designation fees)
Jul 12, 2007
Copy of the international search report
Jul 12, 2007
Corrected international publication (Pamphlet)
Jun 29, 2007
Communication regarding possible amendment of claims/payment of claims fees
Jun 20, 2007
Reminder for payment period (examination fee/designation fees)
Jun 14, 2007
Copy of the international search report
Jun 14, 2007
International publication of the international search report
May 23, 2007
Notification on forthcoming publication of bibliographic data
Apr 3, 2007
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 3, 2007
Request for entry into the European phase
Feb 22, 2007
Corrected international publication (Pamphlet)
Feb 20, 2007
Priority document (electronically transmitted)
Feb 15, 2007
Priority document (electronically transmitted)
Jan 3, 2007
Notification of election of EPO
Dec 28, 2006
Published international application - A2

EP1797389

COLT DEFENSE

Application Number: EP05858155A
Filing Date: Sep 19, 2005
Status: Revoked; Aug 17, 2018
Publication Date: Dec 21, 2016
External Links: Slate, Register , Google Patents

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Firearm Having An Indirect Gas Operating System

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Dossier Documents

EP1797389