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The patent EP1309719 was granted to University OF Maryland AT Baltimore County on Sep 7, 2022. The application was filed on Aug 14, 2001 under application number EP01961662A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| BAYER | Apr 25, 2018 | BIP PATENTS | ADMISSIBLE |
| PRESENS PRECISION SENSING | Oct 25, 2017 | WEISS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0640826 |
| DESCRIPTION | US5164796 |
| EXAMINATION | EP0448923 |
| INTERNATIONAL-SEARCH-REPORT | US5541056 |
| OPPOSITION | EP0448923 |
| OPPOSITION | US5108932 |
| OPPOSITION | WO0214539 |
| OPPOSITION | WO9940411 |
| OTHER | US225108 |
| SEARCH | DE4236614 |
| SEARCH | EP0583066 |
| SEARCH | EP0640826 |
| SEARCH | EP0950892 |
| SEARCH | US5164796 |
| SEARCH | US5611994 |
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 11, 2022
Aug 11, 2022
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Refund of fees
Search/Exam
Dec 22, 2021
Refund of fees
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Dec 21, 2021
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 2, 2020
Apr 2, 2020
Withdrawal of an appeal
Appeal
Mar 2, 2020
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Feb 26, 2020
(Electronic) Receipt
Appeal
Feb 26, 2020
Feb 26, 2020
Notice of appeal
Appeal
Feb 13, 2020
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Aug 14, 2019
Description
OPPO
Aug 14, 2019
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OPPO
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OPPO
Aug 14, 2019
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OPPO
Aug 14, 2019
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OPPO
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OPPO
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Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 10, 2017
Payment of fees and costs
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Aug 9, 2017
Filing of the translations of the claims
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Aug 9, 2017
French translation of claims
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Aug 9, 2017
German translation of the claims
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May 9, 2017
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Intention to grant (signatures)
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May 9, 2017
Text intended for grant (clean copy)
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May 9, 2017
Apr 19, 2017
Apr 19, 2017
Apr 11, 2017
(Electronic) Receipt
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Apr 11, 2017
Letter accompanying subsequently filed items
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Apr 11, 2017
Observations by third parties
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Mar 30, 2017
Amended claims with annotations
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Mar 30, 2017
Amended description with annotations
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Mar 30, 2017
Claims
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Mar 30, 2017
Description
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Mar 30, 2017
Dec 1, 2016
Annex to the communication
Search/Exam
Dec 1, 2016
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Nov 21, 2016
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Nov 15, 2016
(Electronic) Receipt
Search/Exam
Nov 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2016
Observations by third parties
Search/Exam
Oct 31, 2016
Amended claims with annotations
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Oct 31, 2016
Amended claims with annotations
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Oct 31, 2016
Amended description with annotations
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Oct 31, 2016
Claims
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Oct 31, 2016
Claims
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Oct 31, 2016
Description
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Oct 31, 2016
Aug 4, 2016
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Aug 1, 2016
(Electronic) Receipt
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Aug 1, 2016
Letter accompanying subsequently filed items
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Aug 1, 2016
Non-patent literature filed by a third party
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Aug 1, 2016
Observations by third parties
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Aug 1, 2016
Patent document filed by a Third party
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Jun 21, 2016
Annex to the communication
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Jun 21, 2016
Communication from the Examining Division
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Jun 14, 2016
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Jun 8, 2016
(Electronic) Receipt
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Jun 8, 2016
Letter accompanying subsequently filed items
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Jun 8, 2016
Observations by third parties
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Mar 31, 2016
Amended claims with annotations
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Mar 31, 2016
Claims
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Mar 31, 2016
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Annex to the communication
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Sep 29, 2015
Communication from the Examining Division
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Jul 13, 2015
Jul 7, 2015
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Observations by third parties
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Apr 16, 2015
Amended description with annotations
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Apr 16, 2015
Description
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Apr 16, 2015
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Oct 14, 2014
Annex to the communication
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Oct 14, 2014
Communication from the Examining Division
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Feb 4, 2014
Submission concerning representation
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Dec 13, 2013
Submission concerning representation
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Jul 4, 2013
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Apr 29, 2013
Annexes in respect of a client data request
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Apr 29, 2013
Authorisation
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Apr 29, 2013
May 10, 2012
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Observations by third parties
Search/Exam
Feb 14, 2012
Amended claims with annotations
Search/Exam
Feb 14, 2012
Amended claims with annotations
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Feb 14, 2012
Claims
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Feb 14, 2012
Claims
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Feb 14, 2012
Oct 18, 2011
Annex to the communication
Search/Exam
Oct 18, 2011
Communication from the Examining Division
Search/Exam
Oct 17, 2011
Jul 27, 2011
Jul 27, 2011
Jul 19, 2011
Non-patent literature filed by a third party
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Jul 19, 2011
Observations by third parties
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Jun 22, 2011
Amended claims with annotations
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Jun 22, 2011
Claims
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Jun 20, 2011
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Jun 20, 2011
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Annex to the communication
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Jun 14, 2011
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Apr 6, 2011
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Mar 29, 2011
Observations by third parties
Search/Exam
Dec 21, 2010
Amended claims with annotations
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Dec 21, 2010
Claims
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Dec 21, 2010
Oct 19, 2010
Oct 1, 2010
Sep 30, 2010
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Sep 24, 2010
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Sep 20, 2010
Cover sheet for fax transmission
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Sep 20, 2010
Observations by third parties
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Sep 20, 2010
Observations by third parties
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Sep 20, 2010
Patent document filed by a Third party
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Sep 15, 2010
Submission concerning representation
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Sep 8, 2010
Submission concerning representation
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Sep 6, 2010
Sep 6, 2010
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Intention to grant (signatures)
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Sep 6, 2010
Text intended for grant
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Jun 22, 2010
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Amended claims with annotations
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Jun 14, 2010
Claims
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Jun 14, 2010
May 27, 2010
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Annex to a communication
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Jan 21, 2010
Annex to the communication
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Jan 21, 2010
Communication from the Examining Division
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Aug 25, 2009
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Observations by third parties
Search/Exam
Oct 6, 2008
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Aug 12, 2008
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Aug 7, 2008
Jul 28, 2008
Amended claims with annotations
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Jul 28, 2008
Amended description with annotations
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Jul 28, 2008
Claims
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Jul 28, 2008
Description
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Jul 28, 2008
Jul 25, 2008
Amended claims with annotations
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Jul 25, 2008
Amended description with annotations
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Jul 25, 2008
Claims
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Jul 25, 2008
Description
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Jul 25, 2008
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Feb 15, 2008
Dec 24, 2007
Dec 21, 2007
Dec 17, 2007
Aug 17, 2007
Annex to the communication
Search/Exam
Aug 17, 2007
Communication from the Examining Division
Search/Exam
May 29, 2007
Maintenance of the application
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May 24, 2007
Maintenance of the application
Search/Exam
May 9, 2007
Extension of time limit granted
Search/Exam
Apr 28, 2007
Request for extension of time limit
Search/Exam
Apr 26, 2007
Request for extension of time limit
Search/Exam
Feb 26, 2007
Feb 6, 2007
Feb 6, 2007
Supplementary European search report
Search/Exam
Dec 13, 2004
Dec 4, 2004
General enquiry
Search/Exam
Nov 26, 2004
General enquiry
Search/Exam
Dec 30, 2003
Non-patent literature filed by a third party
Search/Exam
Dec 30, 2003
Observations by third parties
Search/Exam
Jun 16, 2003
Notification of the recording of a change
Search/Exam
Apr 3, 2003
Copy of the international search report
Search/Exam
Apr 3, 2003
Apr 2, 2003
Mar 21, 2003
Mar 19, 2003
Communication to designated inventor
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Feb 14, 2003
Amendments received before examination
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Feb 14, 2003
Claims
Search/Exam
Feb 14, 2003
Request for entry into the European phase
Search/Exam
Dec 30, 2002
Information on entry into European phase
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Jul 10, 2002
Feb 28, 2002
Feb 21, 2002
Copy of the international search report
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Feb 21, 2002
Published international application - A1
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