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 bad faith
Breitling for women? More like bad faith for women, says the EUIPO Breitling for women? More like bad faith for women, says the EUIPO Reviewed by Söğüt Atilla-Aydın on Saturday, March 14, 2026 Rating: 5

Wednesday Whimsies

While many Kats and readers are enduring a very cold start to the year in Europe, the IP calendar is already heating up with events and oppo...
- Wednesday, January 07, 2026
Wednesday Whimsies Wednesday Whimsies Reviewed by Jocelyn Bosse on Wednesday, January 07, 2026 Rating: 5
Trade mark piracy does not constitute bad faith – Really? Trade mark piracy does not constitute bad faith – Really? Reviewed by Marcel Pemsel on Monday, November 10, 2025 Rating: 5
Can trade mark law help protect one’s privacy (and stop the spread of embarrassing WhatsApp audio messages)? Can trade mark law help protect one’s privacy (and stop the spread of embarrassing WhatsApp audio messages)? Reviewed by Eleonora Rosati on Wednesday, August 13, 2025 Rating: 5
CJEU: No time limit for invalidity based on bad faith CJEU: No time limit for invalidity based on bad faith Reviewed by Marcel Pemsel on Monday, July 28, 2025 Rating: 5
CJEU determines that mistaken beliefs about trade mark functionality can be relevant for assessing bad faith in CeramTec decision CJEU determines that mistaken beliefs about trade mark functionality can be relevant for assessing bad faith in CeramTec decision Reviewed by Jocelyn Bosse on Friday, June 20, 2025 Rating: 5
[Guest post] Third-party registration of well-known foreign trade marks in the EU: The Frisby case [Guest post] Third-party registration of well-known foreign trade marks in the EU: The Frisby case Reviewed by Eleonora Rosati on Thursday, May 22, 2025 Rating: 5
UKIPO applies SkyKick in Unite the Union opposition UKIPO applies SkyKick in Unite the Union opposition Reviewed by Oliver Fairhurst on Friday, May 02, 2025 Rating: 5
UKIPO tells TfL to mind GAP in partial trade mark refusal for bad faith UKIPO tells TfL to mind GAP in partial trade mark refusal for bad faith Reviewed by Alessandro Cerri on Tuesday, March 25, 2025 Rating: 5
Is Ferrari’s Testarossa trade mark up for grabs? The interplay between bad faith and a trade mark with a reputation Is Ferrari’s Testarossa trade mark up for grabs? The interplay between bad faith and a trade mark with a reputation Reviewed by Marcel Pemsel on Monday, February 17, 2025 Rating: 5
AG Biondi: extending patent rights through trade marks is not bad faith per se (but the “line is blurry”) AG Biondi: extending patent rights through trade marks is not bad faith per se (but the “line is blurry”) Reviewed by Anastasiia Kyrylenko on Tuesday, February 11, 2025 Rating: 5
Tetra Laval’s 3D shape mark not exclusively functional, rules EUIPO Board of Appeal (and, no, it’s not automatically bad faith to seek longer IP protection for a successful product) Tetra Laval’s 3D shape mark not exclusively functional, rules EUIPO Board of Appeal (and, no, it’s not automatically bad faith to seek longer IP protection for a successful product) Reviewed by Eleonora Rosati on Friday, January 03, 2025 Rating: 5
[Guest post] Trade mark trouble in Paris: Pierre Cadault’s journey beyond Netflix [Guest post] Trade mark trouble in Paris: Pierre Cadault’s journey beyond Netflix Reviewed by Eleonora Rosati on Monday, December 30, 2024 Rating: 5
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