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Bath, Cardiff, Denver, Dusseldorf, Leeds, London

London: TMT (technology, media and telecoms)

Intellectual property
Intellectual property - ranked: tier 3


Boutique IP firm EIP 'hits far, far above its weight' and is comprised of 'experienced and expert IP litigators' who are recognised for medical device, life sciences and mobile telecoms patent disputes. The team is 'involved in some of the highest profile IT disputes on both technical and legal issues' and is instructed by Unwired Planet International in standard essential patent litigation against Huawei, which includes complex competition and FRAND licensing considerations; it is also advising Conversant Wireless Licensing on similar litigation against Huawei and ZTE. 'Very savvy IP litigator' Gary Moss heads up the practice, which includes Robert Lundie Smith and Matthew Jones. The team also benefits from the addition of managing associate Tom Brazier from Allen & Overy LLP.

Practice head(s):Gary Moss

Other key lawyers:Robert Lundie Smith; Matthew Jones; Tom Brazier


'The firm has done more than any other to shape the law in FRAND disputes and make the UK the primary forum for such matters.'

'The firm has a forward-thinking mindset, it is great in the details but doesn't forget the big picture either.'

Key Clients




Unwired Planet


Amgen, Inc


Work highlights

  • Acted for Conversant Wireless Licensing in litigation against Huawei and ZTE for a declaration that Conversant has made a FRAND offer to license its SEP portfolio.
  • Successfully represented Unwired Planet International in FRAND litigation against Huawai before the Court of Appeal.
  • Acted for Amgen in pharmaceuticals patent litigation against Accord Healthcare.
  • Defending an orthodontic medical device manufacturer in a four patent infringement and validity dispute before the High Court against Align.
  • Acting for PanOptis in a claim against Apple alleging the infringement by Apple of four separate patent families owned by PanOptis, and requesting that the court sets the terms of a FRAND licence.
Rising stars

Tom Brazier - EIP

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PATMA: Patent attorneys
PATMA: Patent attorneys - ranked: tier 2


EIP¬†stands out through its longstanding expertise in parallel prosecution and litigation cases and is especially well versed in high-tech cases, most notably instructions from telecoms clients. The group continued to expand its already high-profile roster of direct clients and added a Denver office in April 2018, the second of its international offices after the opening of the D√ľsseldorf office in 2013. In the UK, the group of practice heads¬†Jerome Spaargaren,¬†Heather McCann¬†and¬†Matt Lawman¬†has offices in London, Bath, Cardiff and Leeds.¬†Pete Wilson¬†joined from BT and of counsel¬†Danny Butler¬†joined from¬†his own practice.

Practice head(s):Jerome Spaargaren; Heather McCann; Matt Lawman

Other key lawyers:Laurence Brown; Richard Gordon-Brown


'The team has a wide variety of robust technical capabilities in the chemistry and biotechnology space.'

'The individuals at EIP are super-smart and detail-oriented. They provide practical corporate and legal advice. Their cost structure is reasonable compared to the quality of IP services provided. They are easy to speak with and truly listen to the business issues. They are very respectful, not arrogant and never speak over you.'

Key Clients

Airbus Operations

Arm Ltd

British American Tobacco

Conversant Wireless Licensing


HP Inc

Hewlett Packard Enterprise

Metaswitch Networks

Tate & Lyle

Sonos Inc


Work highlights

  • Advised Conversant Wireless Licensing on pre-action and ongoing technical support  in relation to validity and infringement of its patent portfolio in ongoing litigation, involving several patents in the UK and Germany in addition to parallel invalidity and infringement proceedings in China for which EIP collaborated with a Chinese firm.
  • Patent attorney support provided to EIP Legal on matters of validity and infringement in the ongoing ClearCorrect v Align litigation in the UK, representing ClearCorrect Holdings, Inc, ClearCorrect Operating, LLC and Your Smile Direct Limited.
  • Advised Visa on the management of the majority of the client's European patent portfolio following the client's acquisition of Visa Europe, an EIP client, in summer 2016.
  • Conducting a large-scale patent filing programme in support of a key product launch for British American Tobacco.
  • Represented Airbus Operations in EPO opposition proceedings and conducted a software-related invention harvesting project.

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PATMA: Trade mark attorneys
PATMA: Trade mark attorneys - ranked: tier 4


EIP's key standout feature is its combined full-service UK and US trade mark prosecution offering and its accompanying litigation team in the UK and Germany. The group is steadily increasing its market share and boasts an internationally experienced team, including three bilingual German and English team members. Claire Lehr directs the practice, with Paula Flutter as the key chartered trade mark practitioner in the group.

Practice head(s):Claire Lehr

Other key lawyers:Paula Flutter


'Their counsel is concise, reliable, prompt and, most importantly, always business-focused. They understand that risks must be taken from time to time and are the best at balancing risks against reward to help our clients make the best choices. Highly recommended.'

'Every single person I have engaged with at EIP has been a true professional. They have been prompt in their responses as well as accurate. Their attention to detail has been second to none.'

'The trade marks team has a lot of experience and is quick and responsive.'

'Claire Lehr is a highly intelligent and commercially astute lawyer.'

'Claire Lehr has been outstanding. I have worked with her the most and from our first meeting she has been a pleasure to work with. She is incredibly intelligent, knows the subject matter and is always available to answer any questions.'

Key Clients

AFDP Global

Fáilte Ireland

Genius Sports

Metaswitch Networks

OVO Group

Work highlights

  • Assisted Fáilte Ireland with the trade mark aspects of several high-profile promotion campaigns, including clearance projects and the filing of multiple applications in several jurisdictions. Expanded the geographical reach of established brands by filing the necessary trade mark applications in Canada, the US, China, Australia, India and Japan.
  • Provided initial registrability advice to AFDP Global prior to the launch of the client's international social enterprise and successfully registered four EU trade marks for the client.
  • Provided pro bono trade mark advice to CLARITY – Employment for Blind People on the trade mark protection of the client's range of soap and cleaning products, ranging from clearance advice to the drafting and filing of trade mark applications and the management of the client's trade mark portfolio.
  • Updated and expanded Day 8 Ltd's trade mark portfolio in the context of the client's growth and accompanying name change.

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Further information on EIP

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