The everlasting song: Nur mir finally finds its happy ending in pastiche

On 3 September, the German Federal Court of Justice (BGH) concluded one of copyright law’s longest-running disputes by delivering its decis...

The enablement paradox and the danger of definitions (Wyeth v AstraZeneca)

The Federal Circuit's decision in Wyeth v AstraZeneca (No. 2024-2325) applied the enablement test to a dose invention. The case is an i...

When is a certification mark a certification mark?

Certification marks are a rare breed. But rare does not mean uncontroversial. Most issues surrounding them have not reached the courts (yet)...

Welcome to the grifting Olympics in online gambling

Online gambling entrepreneur Samuel Stoffel is known for creating a matched betting platform called Outplayed, which he sold to Betconnect i...

Never Too Late: If you missed the IPKat last week!

As the post-summer legal season gets into full swing, staying on top of IP developments can be a challenge. Don't worry: this Kat has yo...

Keeping up with Belgian Patent Litigation – mid-2025 - mid-2026

The BelgianKats are back with a mid-year review of Belgian patent litigation  The emerging case law of the UPC has understandably drawn mos...

Tuesday Wonders

The IPKat brings you the latest IP news, events, and opportunities. IPKat news Katcall: Openings for GuestKats and InternKats The IPKat is s...

Some assembly required: The CJEU on balancing trade mark rights and freedom of expression in Inter...

Can a famous trade mark be used in a political campaign? Does freedom of expression constitute “due cause” for doing so? In its recent judgm...

Patent Litigation Europe returns to Amsterdam with IPKat readers’ discount

Kats of Amsterdam The Katfriends at Kisaco Research wish to inform IPKat readers that their Patent Litigation Europe event is returning to t...

ERA’s ‘Shifting Borders in EU Industrial Property Law’ online conference returns with IPKat...

Shifting borders, Kat-style The Katfriends at ERA in Trier are always busy preparing and running events covering the latest developments in ...

More than a ‘box of flowers’, FLOWERBX is good enough for Posh Spice and not descriptive of...

Do an online search for FLOWER BOX and you will likely stumble across two types of flower-related products: (1) a box for planting flowers s...

[Book Review] Patent Claims: Interpretation, validity and infringement

This is a review of the book Patent Claims: Interpretation, validity and infringement (Federation Press, 2025) by David Brennan, a Visiting...

Katcall: Openings for GuestKats and InternKats!

Are you passionate about IP? We have exciting news for you! The IPKat is seeking Expressions of Interest (EOI) for GuestKat posts and lookin...

[Guest post] Standard Essential Patent Litigation in Brazil: A Short Story of Sharp Practices

The IPKat has received and is pleased to host this guest contribution from Katfriends Pedro Marcos Nunes Barbosa (Pontifical Catholic Univer...

G1/25: What are the consequences?

Following the release of G1/25, questions have been circling as to what the decision means for the pending referral in G 1/26 and what the c...

Schrödinger’s saddle – visible and invisible at the same time?

BREAKING: When real doubt hits - G1/25 changes the description adaptation requirement for the worse

G 1/25 , issued today, holds that the description must be adapted only where an “inconsistency” between the claims and description causes no...

Never Too Late: If you missed the IPKat last week!

Back-to-school season has returned, bringing fresh notebooks, growing shopping lists and, perhaps, less time for IP news. This Kat, meanwhil...

Hayden v Koons: US Court of Appeals says it was 30 years too late

In a copyright law dispute between Michael Hayden (claimant) and Jeff Koons (defendant), the US Court of Appeals for the Second Circuit held...

[GuestPost] What has long arms and lives in Switzerland? The cross-border injunction club gains a...

The list of courts willing to reach across borders after BSH v Electrolux has a new entry. Katfriend Peter Ling (Lenz & Staehelin) prov...