Marks & Clerk

Marks & Clerk is an international intellectual property (IP), technology and legal advisory firm helping organisations protect, commercialise and maximise the value of innovation.

For more than 135 years, we have worked with businesses, research organisations, universities, investors and entrepreneurs to secure and manage patents, trade marks, designs and other intellectual assets.

Today, our team includes 300+ IP professionals across 15 offices in the UK, Europe, Canada and Asia. Bringing together patent attorneys, trade mark attorneys, solicitors, litigators, commercial lawyers and specialist advisors, we provide integrated support across intellectual property, technology and regulatory matters.

Our services include patents, trade marks, designs, IP strategy, portfolio management, commercialisation, technology transactions, dispute resolution and litigation support. We help organisations protect innovation, strengthen brands and unlock value from their ideas.

We also advise on artificial intelligence (AI), data protection, privacy, cybersecurity and technology regulation. Our specialists help organisations develop AI governance frameworks, navigate regulatory requirements, strengthen cyber resilience and deploy technology with confidence.

Marks & Clerk combines legal, commercial and technical expertise. With approximately 50 PhDs in our UK practice alone, our professionals have deep experience across AI and software, life sciences, engineering, chemistry, electronics, telecommunications, clean technology and other innovation-led sectors.

Our expertise is consistently recognised by leading legal and IP directories, with more than 100 individual rankings and recognitions awarded to our professionals in the past year alone.

Whether protecting breakthrough inventions, building global brands, navigating AI regulation or managing international IP portfolios, organisations worldwide rely on Marks & Clerk for practical, commercially focused advice throughout the in