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Intellectual Property

Our Intellectual Property team can help you navigate the full range of legal challenges associated with any type of transaction.

Latest

  • Joint seminar with CMS and Tannenbaum Helpern - A global perspective on securing, maintaining, and enforcing trade secrets and other IP rights
    05 May 2026
  • CMS appointed to Legends Global’s newly created European panel
    20 Mar 2026 2 min read
  • Brevity versus giving away the crown jewels: getting the balance right for protecting machine learning technology with patents
    25 Feb 2026 5 min read
  • Emotional perception reaches the top: Supreme Court delivers landmark ruling on AI patentability
    13 Feb 2026 13 min read
  • Better Together? Patents on Combination Therapies at the EPO
    22 Jan 2026 16 min read
  • Mandatory description amendments at the European Patent Office (G1/25): “Let’s start at the very beginning, a very good place to start”
    16 Jan 2026 7 min read
  • Regulation nation?
    15 Jan 2026 1 min read
  • Positive and negative pointers in clinical trial prior art: diverging inventive step outcomes at the EPO and UPC
    08 Jan 2026 13 min read
  • Comprehensive Reform of EU Pharmaceutical Legislation
    07 Jan 2026 3 min read

5 specialist practice areas in Intellectual Property

Our market-leading intellectual property team is the largest dedicated IP team in the UK. We house one of London’s most experienced and formidable IP litigation practices.

Uniquely among large law firms, we also offer a significant patent, trade mark and design attorney team with true technical and legal expertise. And of course we help our clients in complex licensing and exploitation in the world’s most highly regulated sectors. Our team has earned multiple Band 1 ratings from legal directories.

Our team includes 130 lawyers, patent attorneys, trade mark attorneys, and specialist IP administrators and paralegals. This means our team is qualified to file complex patents in cutting-edge technologies at the European Patent Office; manage and enforce portfolios for some of the world’s biggest brand owners; and handle the most complex and technically demanding IP disputes.

We handle the full life-cycle of IP assets, including finding the best strategy for the creation, identification, registration and capture of assets, their realisation through commercial agreements and licensing, and their protection and enforcement through litigation and other dispute resolution.

A cohesive IP strategy, including both commercialisation and enforcement, will ensure that maximum value is obtained from your IP portfolio. Our team understands your business needs and objectives and has worked with some of the world’s best known brands. Our clients include organisations from banks to technology companies, pharmaceuticals to FMCG, and we help them realise their commercial goals.

We also advise on IP enforcement at all levels of UK courts (civil and criminal) and have experience litigating before the CJEU as well as many national courts of the EU and beyond in multi-jurisdictional disputes. Our patent and trade mark teams are experienced in dealing with proceedings before UKIPO, EUIPO and European Patent Office.  Costs can quickly escalate in contentious proceedings, so project management is key to our service, driving forward cases, narrowing issues, and managing other service providers.

Our specialist practice areas

Awards & Recognitions
01
  • Quote
    “CMS provides a comprehensive IP service capable of handling any dispute, transaction or prosecution strategy.”
    Chambers and Partners, Intellectual Property, 2024

Intellectual Property Insights

Joint seminar with CMS and Tannenbaum Helpern - A global perspective on securing, maintaining, and enforcing trade secrets and other IP rights

05 May 2026

CMS appointed to Legends Global’s newly created European panel

20 Mar 2026 2 min read

Brevity versus giving away the crown jewels: getting the balance right for protecting machine learning technology with patents

25 Feb 2026 5 min read

CMS Perceiving the world of patents with Emotional Perception

24 Feb 2026

Emotional perception reaches the top: Supreme Court delivers landmark ruling on AI patentability

13 Feb 2026 13 min read

The Class Ceiling

12 Feb 2026

Better Together? Patents on Combination Therapies at the EPO

22 Jan 2026 16 min read

CMS at Pharma & Biotech Patent Litigation Europe Summit 2026

19 Jan 2026

Events

  • United Kingdom
    05 May 2026

    Joint seminar with CMS and Tannenbaum Helpern - A global perspective on securing, maintaining, and enforcing...

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We provide future-facing legal advice to help your organisation thrive. Combining local market knowledge and a global perspective, and with lawyers in locations worldwide, your organisation benefits from the expertise it needs, even across borders.

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