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News

The latest insights, sector developments and case updates from Potter Clarkson. Explore up-to-date content from our experts and stay informed on the issues shaping the IP landscape.

UK comparable trade marks: grace period ends soon
UK comparable trade marks: grace period ends soon
Article
Oct 13, 2025
3 min

UK comparable trade marks: grace period ends soon

As 2025 draws to a close, brand owners face an important deadline that could affect their UK trade mark rights. From 1 January 2026, it is no longer possible to rely on evidence of use in the EU to maintain the validity of UK comparable trade marks (often called “Brexit clones”). This marks the end of the grace period for use, originally set out in the UK/EU Withdrawal Agreement.

Chambers and Partners 2026
Chambers and Partners 2026
Firm News
Nov 1, 2025
3 min

Chambers and Partners 2026

We’re proud to announce that Potter Clarkson has once again been recognised in the Chambers UK Guide 2026.‍‍

White Paper
June 21, 2023

EPO Oppositions: Top Tips for Success

A European Patent Office (EPO) Patent opposition is the legal process that allows anyone to challenge the validity of a EPO patent in all the territories where it is in force in a single action by filing an opposition against its grant on the basis of novelty, inventive step, industrial applicability, insufficiency and/or added matter.

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EPO Oppositions
Freedom to Operate
Litigation
UPC Litigation
Patents
White Paper
June 19, 2023

How do you evidence IP in R&D grant applications?

This white paper has been written by an R&D grant writer and a patent attorney to give the company owners, directors, executives and founders of innovation-led businesses of all sizes a more complete picture of how to successfully negotiate the grant application process.

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Article
June 14, 2023
1 min

Potter Clarkson is already actively engaged in a series of UPC revocation actions

On 1 June 2023, the UPC agreement finally came into force.

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UPC Litigation
Patents
Litigation
Firm News
June 14, 2023
1 min

Financial Times Europe’s Leading Patent Law Firms 2023

Potter Clarkson proudly secures its position in the esteemed Europe’s Leading Patent Law Firms report by the Financial Times.

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Article
June 13, 2023
8 min

General Court rejects Emmentaler cheese trade mark in the EU

On the 24th May the General Court decided that Emmentaler cheese cannot be trademarked in the European Union. The decision appears to have hinged on the German public’s view that Emmentaler is a type of cheese, not a geographic origin.

FMCG
Food & Agritech
Trade Marks
Litigation
Brand Strategy
Article
June 12, 2023
3 min

Synthetic biology: A sustainable future for crop protection molecules

Chemically synthesised crop protection molecules (think: pesticides, herbicides, and fungicides) developed in the 20th century underpinned the increases in crop yield and resilience that provided much of the world’s population with a ready supply of plentiful and affordable food.

Biotech
Synthetic Biology
Food & Agritech
Industrial Chemistry
Energy & Cleantech
Patents
Article
June 9, 2023
5 min

Innovation and IP considerations for cleantech companies

Innovation - and by extension IP - has never been more important for cleantech companies. According to the International Energy Agency, for every $1 spent on fossil fuels, $1.7 is now spent on clean energy. Five years ago this ratio was 1:1.

Energy & Cleantech
Carbon Capture
Fuel Cells & Hydrogen
Wind & Wave Energy
IP Strategy
Patents
Investor Ready
Case Update
June 9, 2023
4 min

US supreme court sides with Jack Daniel’s in fight against the ‘Bad Spaniels’ dog toy

Yesterday a US Supreme Court panel unanimously decided to support Jack Daniel's Tennessee Whiskey’s opposition to VIP Products’ ‘Bad Spaniels’ dog toy. They felt the product was an obvious parody of their brand.

FMCG
Trade Marks
Brand Enforcement
Litigation
Article
June 8, 2023
5 min

The 4th agricultural revolution: 5 technologies shaping the future of food and agritech

Recent advances in automation, machine learning, and cleantech have heralded the “4th industrial revolution”. This promises to not only rapidly change how we live and work, but also transform it beyond recognition.

Artificial Intelligence
Biotech
Food & Agritech
Life Sciences
Industrial Chemistry
Energy & Cleantech
Patents
IP Strategy
Case Update
June 6, 2023
4 min

Functional fashion: design implications for the timeless "cargo pants"

From the battlefield to “Y2K”, and now the S/S’23 runway, “cargo trousers”, or “cargo pants”, have been a British clothing staple for more than 80 years. Therefore, the hurdle to be able to rely on unregistered design rights to protect such designs in the UK is high in such a crowded field; designers must be able to rebut any claim that their designs are not sufficiently “original”. A UK judgment, handed down last week, highlights the need for designers to assess the merits of their case before asserting infringement of UK unregistered design right (UKUDR) before the UK Court.

Fashion & Apparel
Creative Industries
FMCG
Designs
Litigation
Article
June 2, 2023
10 min

What are the trends shaping the alcoholic beverage market?

The tastes of food and drink consumers are continuing to change. People are more health conscious. They are looking for more sustainable options. At the same time, they want new, exciting and tasty new alternatives to enjoy. These demands are hitting the producers of alcoholic beverages as hard as any other part of the food and drink industry.

Food & Agritech
FMCG
Industrial Chemistry
Biotech
Patents
Trade Marks
Trade Secrets
Licensing & Commercial Agreements
Article
June 1, 2023
3 min

Why is defining IP ownership important?

Defining intellectual property (IP) ownership is important because it establishes exactly who has the right to use, protect and exploit the relevant IP assets by:

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IP Due Diligence
Licensing & Commercial Agreements
Investor Ready
Litigation
Article
May 26, 2023
4 min

Are the new .zip and .mov gTLD extensions an opportunity or a threat?

In March Google announced that May 2023 would see the launch of eight new top-level domains, .Foo, .Zip, .Mov, .Nexus, .Dad, .Phd, .Prof and .Esq.

Software
Electronics & Computing
Trade Marks
Brand Enforcement
Brand Strategy
Article
May 23, 2023
5 min

Maximising the value of your 3D printing innovations: Patents and trade secrets

3D printing is now a widespread technology that may have seemed as fanciful 100 years ago as Star Trek's replicators do to us now. We may be a long way off from synthesising matter from light to create food and other objects at will but even this fictitious invention was a development on earlier technologies (protein sequencers and food synthesisers).

Advanced Materials
Engineering
Industrial Chemistry
Patents
Trade Secrets
Case Update
May 19, 2023
10 min

A match made in court: Dating app ‘Muzmatch’ loses appeal over Match Group

The Court of Appeal in Match Group LLC v Muzmatch Ltd has given useful guidance on the role of honest concurrent use in trade mark infringement cases.

Software
Electronics & Computing
Trade Marks
Litigation
Brand Enforcement
Brand Clearance
Case Update
May 19, 2023
11 min

Lidl v Tesco: An own goal for Lidl?

The supermarket wars continued on Wednesday 19 April, with Mrs Justice J. Smith handing down her judgment in the High Court in favour of Lidl.

FMCG
Trade Marks
Brand Enforcement
Litigation
Copyright
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