Is my innovation patentable? .....the first step is a patent search. Note: has passed away. http://www.philly.com/inquirer/obituaries/Scott___47__lawyer_in_high_tech.html Any client of NIPRC and/or Scott Fields who wishes to have their file or files returned to them, please contact Attorney Paul J. Burgoyne, Conservator, 610-650-8496; 610-5650-8213 (Fax). PatentSearchExpress.com uses leading search technology to provide worldwide searches and evaluations of your invention's patentability and marketability. Our revolutionary technology allows us to provide the lowest-cost international searches available. This service is managed by a major patent law firm. PatentSearchExpress.com clients range from individual inventors to Fortune 500. note: the managing lawyer for this site has passed away, please do not send any requests for searches to this site. we have no further information on the status of the firm.    The inventor's first step If you have any invention ideas, you should first check if this idea has already been patented and find similar inventions.  PatentSearchExpress.com search technology Find out about our revolutionary technology that uses neural-net concept searching to find hidden patents. We then provide a legal evaluation of your invention's patentability based on the similarity and claims of existing patented inventions.  Marketing Evaluation: will my product sell? Get a professional marketing evaluation to determine if your product will be a success.  What should you expect? Find relevant patents and help determine if your idea is patentable.  Legal requirements for filing a patent The three main requirements are always non-obviousness, novelty and utility.