Patent Search Firms

Delphion Research intellectual property
www.delphion.com/research
Thomson*Delphion

U.S. Patents
http://patents.cos.com

PATSCAN – Patent Research
www.library.ubc.ca/patscan/news/patentsearching.htm

Patent U.S. Search Services
www.lawmart.com/patent.htm
LawMart.com – free telephone consultation, reports available by email & copy, actual copies provided

PatentLawLinks.com
www.patentlawlinks.com/searfirm.htm
Listing of patent search/document firms, document retrieval firms

Registered Patent Agent
www.webpatent.com/content/firms.htm
Robert M. Hunter, Ph.D. offers listing of patent search firms

Researching your idea
www.asktheinventors.com/ResearchyourInvention.htm
Ask the Inventors! – Free advice, invention news and valuable resources from the inventors of Ghostline. Explains the purpose and process of patent searching

Patent Search Express
www.patentsearchexpress.com
Law firm of Obermayer Rebmann Maxwell & Hippel LLP – provide international patent search and attorney evaluation of invention’s patentability and marketability

WPI Venture Forum: News Releases
www.wpiventureforum.org/News/Releases/200204.html
Do-it-yourself patent searching