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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.‍‍

Firm News
January 9, 2023
1 min

Potter Clarkson announces office move in Nottingham

Potter Clarkson is delighted to announce the relocation of it's Nottingham office to new premises from January 2023.

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Article
January 5, 2023
2 min

Important change for UK divisional patent applications

As from 1 May 2023 the UKIPO is changing its practice on the calculation of compliance periods for divisionals.

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Patents
Firm News
January 4, 2023
2 min

Potter Clarkson announces a host of firm-wide promotions

Potter Clarkson has capped a very successful year with the announcement of 13 promotions.

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Article
January 3, 2023
8 min

How can hydrogen be used to reduce emissions in the transport sector?

The transport sector is the second-largest source of CO2 emissions. It is directly responsible for around 25% of the world’s emissions. It is also one of the most challenging when it comes to finding ways to reduce the levels of carbon being emitted given its historic reliance on fossil fuels. As a result, serious strides are now being taken to see if hydrogen could be used to reduce emissions in the transport sector.

Energy & Cleantech
Engineering
Patents
Licensing & Commercial Agreements
Article
January 2, 2023
5 min

Patents for beginners

This article explains what a patent is, how to obtain one, and why it’s important. It covers the legal requirements, the application process, and the many ways patents can protect and add value to your invention or business.

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Patents
Freedom to Operate
Licensing & Commercial Agreements
Can AI unlock the true potential of the next generation of solar and energy storage innovations?
Article
October 24, 2022
5 min

Can AI unlock the true potential of the next generation of solar and energy storage innovations?

Feeding better battery storage with the energy produced by cleaner energy storage like solar panels and wind turbines is not a new idea. However, are good ideas enough? Or could AI be the answer to unlocking the true value of the next generation of solar and energy innovations?

Energy & Cleantech
Artificial Intelligence
Patents
IP Strategy
Article
October 14, 2022
7 min

Would you like our help to get you and your patent portfolio UPC ready?

It has now been confirmed that the Unitary Patent (UP) & the Unified Patent Court (UPC) are intended to come into force on the 1 April 2023.

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Patents
UPC Litigation
IP Strategy
Lovely Jubbly - Del Boy from Only Fools & Horses is held to be a copyright work
Case Update
October 12, 2022
7 min

Lovely Jubbly - Del Boy from Only Fools & Horses is held to be a copyright work

In a recent judgement, a UK court has decided for the first time that a sufficiently detailed and fully rounded fictional character can be the subject of copyright protection. The court also rejected the defendants’ argument that their infringement of copyright was avoided by reference to the defence of fair dealing for the purpose of parody or pastiche. Mark Snelgrove and Charlotte Wallace summarise.

Creative Industries
Copyright
Article
October 2, 2022
6 min

European Commission proposes a unified SPC system

The European Commission (EC) has announced a new initiative for a single procedure for the granting of SPCs across the European Union (see here).

Life Sciences
Biotech
Food & Agritech
SPCs & Regulatory
Patents
UPC Litigation
IP Strategy
Fresh guidance on AI patents from UK IPO
Article
September 28, 2022
2 min

Fresh guidance on AI patents from UK IPO

Artificial intelligence is now applied in a vast range of fields, from pharmaceuticals to the automotive industry, and from industrial chemicals to fintech. The enormous range of possible uses has created challenges for the Patent Office when it comes to examining patent applications related to AI inventions.

Artificial Intelligence
Patents
Article
August 15, 2022
7 min

How close are we to green aviation?

The need for green aviation is of course critical, but how close are we to green aviation?

Battery Technology
Energy & Cleantech
Engineering
Fuel Cells & Hydrogen
Patents
IP Strategy
Licensing & Commercial Agreements
Ireland will not be part of UPC when UPC system starts
Case Update
July 8, 2022
1 min

Ireland will not be part of UPC when UPC system starts

Although the Irish government has confirmed that it intends to participate in the Unitary Patent and the Unified Patent Court, a positive vote in a public referendum is required before Ireland can ratify the UPC Agreement and join the system. A referendum is expected in 2023 or 2024.

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UPC Litigation
Patents
Impact of new UK and EU competition law exemptions
Article
June 23, 2022
8 min

Impact of new UK and EU competition law exemptions

The UK and EU have implemented new competition law exemptions but what impact will this have on your agreements?

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Licensing & Commercial Agreements
Why the devil is in the detail in patent applications
Case Update
April 14, 2022
6 min

Why the devil is in the detail in patent applications

A recent case involving Bristol Myers Squibb, which resulted in the revocation of a patent filed by the pharmaceutical giant, serves as a salutary warning on the risks of failing to include detailed supporting data when an application is first filed.

Life Sciences
Patents
EPO Oppositions
Can hydrogen save the internal combustion engine?
Case Update
April 4, 2022
7 min

Can hydrogen save the internal combustion engine?

As the automotive sector transitions to an electrified future, the phase-out of the internal combustion engine (ICE) seems decided. Recent developments concerning hydrogen, however, indicate that the ICE may have a longer lifespan than first anticipated.

Fuel Cells & Hydrogen
Patents
pharmaceutical pills
Case Update
March 24, 2022
7 min

Another active ingredient. Another reference to the CJEU.

The Court of Justice of the EU (CJEU) has once again been asked to explain the eligibility criteria for SPCs for “combination products” - those comprising two or more active ingredients.

Life Sciences
Biotech
SPCs & Regulatory
Patents
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