The IPKat: inventor evidence

Passionate about IP! Since June 2003 the IPKat has covered copyright, patent, trade mark, designs, info-tech and confidentiality issues from a mainly UK and European perspective. Read, post comments and participate!

The team is Eleonora Rosati, Annsley Merelle Ward and Merpel. E-mail the Kats here!

The team is joined by GuestKats Söğüt Atilla, Oliver Fairhurst, Claire Gregg, Georgia Jenkins and Marcel Pemsel.

SpecialKats: Verónica Rodríguez Arguijo (TechieKat), Rose Hughes (PatKat) and Jocelyn Bosse (Book Review Editor).

InternKats: Wissam Bentazar, Simone Lorenzi and Kliment Markov.

Results for inventor evidence

Prosecution history - as relevant as any inventor evidence?

Readers interested in patent law will be familiar with last summer's decision of the UK Supreme Court in Actavis v Eli Lilly [2017] UKSC...

Eibhlin Vardy - Friday, January 19, 2018

Prosecution history - as relevant as any inventor evidence?

Reviewed by Eibhlin Vardy on Friday, January 19, 2018 Rating: 5

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Not just any old IPKat ...

* "Most Popular Intellectual Property Law Blawg" of all time according to Justia rankings, April 2026.

* "Most Popular Copyright Blawg" of all time according to Justia rankings, April 2026.

* "Best UK Intellectual Property blog" of all time according to FeedSpot, May 2025.

* PermaKat Eleonora Rosati has been quoted, and the IPKat has also been hyperlinked on the New York Times, April 2024.

* PermaKat Eleonora Rosati and The IPKat are expressly recommended as sources to follow to get an "unstuffy look at IP issues" according to Legal Business, April 2023.

* PermaKat Eleonora Rosati received the 2022 Adepi Award.

* PermaKat Eleonora Rosati listed as one of the World Intellectual Property Review's "Influential Women in IP" of 2020.

* PermaKat Eleonora Rosati listed as one of the Managing Intellectual Property magazine's "Fifty Most Influential People" of 2018.

* IPKat founder and Blogmeister Emeritus Jeremy Phillips listed as one of the Managing Intellectual Property magazine's "Fifty Most Influential People" of 2005, 2011, 2013, and 2014.

* Recommended by the European Patent Office as reading material for candidates for the European Qualifying Examinations, 2013.

* Listed as "Top Legal Blog" in The Times Online, March 2011.

* One of the only two non-US blogs listed in the Blawg 2010 ABA Journal 100.

* Number 1 in the 2010 Top Copyright Blog list compiled by the Copyright Litigation Blog, July 2010.

* Selected by the United States Library of Congress for inclusion in its historic collections of Internet materials related to Legal Blawgs as of 2010.

* Top Patent Blog poll 2009: 3rd out of 50 in the "Favourite Patent Blog" poll and 2nd out of 50 in the "Most-read" poll.

* ComputerWeekly IT Law and Governance Blog of the Year, 20 August 2008.

* Best of the Blogs, Times Online, 21 August 2008.