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Mark Heaney



Heaney Mark
Mark Heaney



Mark is known as one of the "go to" patent litigators in the hi-tech sector and is recognised by all major directories as a leading practitioner. He regularly advises on large scale international matters for well-known names in the telecoms, IT and software sectors. Mark is unique in the London IP market with a background and previous career in electronic engineering and a degree in computer science before moving to law, allowing him to talk to clients in their own language.

Mark has been involved in many of the leading cases in the electronics and telecommunications sectors in the UK and much of his work involves cross-border disputes, with litigation often taking place in the UK in parallel with actions in Japan, Germany, the US or the Netherlands.

Experience highlights

News & insights

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Blog Post: 07 MAY 2021

How protected are your drug formulations in your transactions?

Drug formulations are incredibly valuable to pharmaceutical businesses; however, they often get overlooked during transactions.  This can create risk for both the seller and buyer of the assets. For…

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Publications: 07 MAY 2021

The perils of giving video evidence

If evidence is to be given remotely, via video link, from another country, be sure to check that this is permitted by the laws of that country.

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News: 06 MAY 2021

Allen & Overy advises Cielo S.A. on their agreement with Facebook, Inc. to launch Facebook Pay in Brazil

Allen & Overy today announced its role in advising Cielo S.A. (Cielo), a leading electronic payments business in Brazil and in Latin America, in the drafting, negotiation, execution and delivery of…

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Publications: 20 MARCH 2020

IP rights in the UK during and after the Brexit transition period

The UK has left the EU and is currently in a transition period with the EU until 31 January 2020. What happens to IP protection in the UK at the end of this transition?

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Allen & Overy LLP
One Bishops Square
E1 6AD

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BSc in Computer Science, 1991


Published work

Mark Heaney, Neville Cordell, Mark Ridgway, Taly Dvorkis (April 2017), First UK High Court judgment in Unwired Planet v Huawei FRAND trial, finds worldwide licence is FRAND, Allen & Overy

Mark Heaney, Mark Ridgway, Taly Dvorkis (November 2016), The UK high court to determine FRAND rates for standard essential patents, Allen & Overy