Our patent research supports your patent infringement opinions.

Founded by a U.S. Patent Attorney in 1997, PriorArtSearch.com offers a broad range of patent search services, including validity, product clearance, patentability and other searches. We can also provide a variety of legal services.

Law Office of Brian T. Rivers provides Intellectual Property Law services, Mr. Rivers is a registered patent attorney with over 19 years of experience in the patent field.

Patent Research, Prosecution, Analytics. Litigation, Annuity / Trademark Administration, and Portfolio Monetization Technology Services Designed to Support Inventors and Patent Attorneys Worldwide.

Patent Research, Prosecution, Analytics. Litigation, Annuity / Trademark Administration, and Portfolio Monetization Technology Services Designed to Support Inventors and Patent Attorneys Worldwide.

Patent trials in inter partes review, post-grant review and derivation proceedings under the America Invents Act.

AllPat provides high quality patent searching in a wide range of technology areas.

DeMarcoIP is a full service patent research firm that combines knowledge and experience to provide you with the highest quality patent searches.

Article One Partners is the worlds most effective prior art search method - 30,000+ patent and technical researchers from over 170 countries find diverse research references, including non-patent literature.

Article One Partners is the worlds most effective prior art search method - 30,000+ patent and technical researchers from over 170 countries find diverse research references, including non-patent literature.

Article One Partners is the worlds most effective prior art search method - 30,000+ patent and technical researchers from over 170 countries find diverse research references, including non-patent literature.

Article One Partners is the worlds most effective prior art search method - 30,000+ patent and technical researchers from over 170 countries find diverse research references, including non-patent literature.