Surname trademark: Misleading use results in revocation, and a hasty accusation of infringement constitutes disparagement

In 2011, PMJC acquired all of Castelbajac’s assets following bankruptcy proceedings, including the “Jean-Charles de Castelbajac” and “JC de Castelbajac” trademarks. The designer continued to collaborate with PMJC until December 31, 2015. In 2018, PMJC sued him for trademark infringement and unfair competition, alleging that the designer had continued his professional and artistic activities through his new company, Castelbajac Creative, after their collaboration had ended. In his defense, the designer filed a counterclaim seeking the revocation of the two surname trademarks at issue in the dispute on the grounds of misleading use.

Read the article

Fauré Le Page: A historical reference can make a trademark misleading

The historic company Fauré Le Page had, since 1716, been engaged in the purchase and sale of weapons, ammunition and leather accessories. Dissolved in 1992, it transferred all of its assets and liabilities by way of universal transfer to its sole shareholder, Saillard, which had filed the “Fauré Le Page” trademark in 1989 before assigning it to a new company, Fauré Le Page, set up to exploit the trademarks and develop fashion and luxury goods. In 2001, the latter filed two French trademarks “Fauré Le Page Paris 1717”. In 2012, Goyard ST-Honoré brought an action for invalidity of these trademarks, on the grounds that the reference to “1717” could suggest a continuity of business with the historic house.

Read the article

Lacoste v. Shein: Paris pre-trial judge orders pan-European measures against the online platform

In an order issued this summer, the pre-trial judge of the Paris Judicial Court ruled on the thorny issue of his pan-European jurisdiction and ordered provisional measures against the operators of the Shein platform, applicable throughout the European Union.

Read the article

Blocking online content at the notifier’s own risk

By a judgment dated June 19, 2026 (No. 24/03517), the Paris Judicial Court reiterated that a request to block online content is made at the risk and peril of the notifier. Where such a measure proves unjustified, it may give rise to the liability of the person who requested it, irrespective of that person’s good faith.

Read the article

Upcycling and trademarks with a reputation: no exhaustion of rights for transformed products

In a ruling dated September 17, 2026, the Paris Judicial Court found Kamad Reworked (KR) liable for trademark infringement, unfair competition, and free-riding for selling “upcycled” clothing incorporating authentic Louis Vuitton pieces.

Read the article

“Not entitled to file the patent application, but entitled to bring infringement proceedings?”

Can a third party be sued for patent infringement on the basis of a patent even though, at the time it was filed, the claimant knew that it had no rights in the patent ?

Read the article