The IPKat: principle of equivalence

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 principle of equivalence

Swedish patent case-law and 2018 patent highlights

The Swedish Association for the Protection of Intellectual Property (SFIR) had its yearly big event --“The case-law day”-- on the 17 th o...

Frantzeska Papadopoulou - Tuesday, January 22, 2019

Swedish patent case-law and 2018 patent highlights Swedish patent case-law and 2018 patent highlights

Reviewed by Frantzeska Papadopoulou on Tuesday, January 22, 2019 Rating: 5

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Not just any old IPKat ...

* “Most Popular Intellectual Property Law Blawg” of all time according to Justia rankings , September 2026.

* “Most Popular Copyright Blawg” of all time according to Justia rankings , September 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 in 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 was listed as one of World Intellectual Property Review’s “Influential Women in IP” in 2020.

* PermaKat Eleonora Rosati was listed as one of Managing Intellectual Property magazine’s “Fifty Most Influential People” in 2018.

* IPKat founder and Blogmeister Emeritus Jeremy Phillips was listed as one of Managing Intellectual Property magazine’s “Fifty Most Influential People” in 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 2010 ABA Journal Blawg 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 (“Favourite Patent Blog”) and 2nd out of 50 (“Most-read”).

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

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