Epsilon Patent Searching, Inc. specializes in providing high quality research to patent attorneys across the United States and abroad. Founded in 1997 by William J. Wicker, a registered patent agent and former examiner with the U.S. Patent and Trademark Office, Epsilon has conducted thousands of patentability, validity, infringement/clearance, and state-of-the-art/collection searches for hundreds of satisfied clients. With a diverse in-house staff and a tiered rate structure, we are able to accommodate large scale and expedited requests without sacrificing thoroughness. Please contact us regarding your research needs.