The IPKat: Protective Letter

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 Protective Letter

UPC and Protective Letters: are you really protected?

One of the first preliminary injunctions by the Unified Patent Court was issued by the UPC Local Division of Düsseldorf (Germany). The ...

Anna Maria Stein - Friday, October 20, 2023

UPC and Protective Letters: are you really protected?

Reviewed by Anna Maria Stein on Friday, October 20, 2023 Rating: 5

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Not just any old IPKat ...

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

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* “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.

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* 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.

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