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26 Mar 2025
The more, the merrier, but if you don’t use it, you may lose control of it – a general guide to patent working requirements and compulsory licences

We look at the general principles of patent working requirements and take a closer look at some jurisdictions which have more stringent requirements on patent working post-grant.  We also look at what you can do in order to prevent a third party from accessing your patented technology.

05 Mar 2025
Dehns Client, Blackout Technologies, in the Spotlight!

Dehns client, Blackout Technologies, is making headlines with its groundbreaking work in limiting smartphone use in schools. Recently featured in The Times, on BBC Radio 4 and other news outlets, the company is gaining well-deserved recognition for its innovative approach.

13 Feb 2025
A Fishy Apology: When Performance Art Goes off the Deep End

Icelandic performance artist Odee Friðriksson’s work, We’re Sorry—an attempt to tackle corporate wrongdoing—has floundered in the High Court. Dehns Trade Mark Attorney, Tiernan Graham, discusses.

10 Jan 2025
Correction and Interpretation of Errors in a Patent at the UPC

In a recent decision, the UPC Court of Appeal ruled on the correction of errors in a patent by interpretation. This case, concerning Alexion Pharmaceuticals’ patent (EP3167888), underscores the importance of precise drafting and consistency in arguments used during patent litigation.

06 Jan 2025
UK High Court gives short shrift to infringement action brought against Google LLC

In a trade mark infringement case brought by Shorts International Limited (“SIL”) against Google LLC (“Google”) in the High Court of England and Wales, a decision by Michael Tappin KC towards the end of 2024 gave a salutary reminder regarding the scope of trade marks containing descriptive elements.

13 Dec 2024
Changes to Supplementary Protection Certificate (SPC) Practice in the UK from 1 January 2025

As of 1 January 2025 some changes to UK Supplementary Protection Certificate (SPC) practice will come into force in relation to human medicines.

26 Nov 2024
“No Stay” Culture is Set to Stay at the UPC

Has a single UPC action yet been stayed in view of a parallel EPO opposition? The court is very reluctant to be delayed by EPO opposition proceedings and remains patentee-friendly in its general approach.

18 Nov 2024
SkyKick v Sky: Wide Claims, Narrow Rules

In its long-awaited judgment in SkyKick v Sky, the Supreme Court reversed significant aspects of the Court of Appeal’s decision on bad faith. This landmark ruling reshapes the interpretation of bad faith in UK trade mark law, with wide-ranging implications for the filing, enforcement, and scope of trade marks.

31 Oct 2024
Avago Technologies International Sales Pte. Limited v Tesla Germany GmBH, Tesla Manufacturing Brandenburg SE

Avago Technologies International Sales Pte. Limited (Avago) brought an infringement action against Tesla Germany GmBH and Tesla Manufacturing Brandenburg SE (Tesla) on 1 June 2023, accusing Tesla of infringing Avago’s patent EP 1 612 910. Tesla contested Avago’s ownership of the patent, as well as counterclaiming for the invalidity of the patent.

31 Oct 2024
Avago Technologies International Sales Pte. Limited v Tesla Germany GmbH, Tesla Manufacturing Brandenburg SE UPC_CFI_52/2023

The Claimant, Avago Technologies, sued the Defendants, Tesla Germany and Tesla Manufacturing, for infringement of a European Patent.  The Patent was only still in force in Germany.  Although the Patent was granted in English, the proceedings were conducted in German.

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