Pat Opin Ltd

Specialists in patent opinion work:

  • Patent clearance searches and opinions, and strategy
  • Validity / invalidity assessments
  • Infringement / non-infringement opinions
  • Freedom to operate risk management
  • Third party watches
  • In-house support
  • R&D guidance
  • Due diligence / collaboration assistance
  • Litigation support
  • Patent box opinions

We offer a full patent attorney service through our associates but specialise in patent opinion work where we can complement your regular patent attorneys. We offer a big firm experience with a small firm price. Whether it is a little guidance or second opinion, required for R&D, or the launch of a new product into an unknown market: if it is important to you, it is important to us. We are commercially minded to add value to your business.

Please contact us to discuss:


Telephone +44 (0) 7709 141 220


Our Registered address is:

86-90 Paul Street

London, EC2A 4NE


Pat Opin Ltd is regulated by the Intellectual Property Regulatory Board (IPRegs)