Category Archives: Patent validity

Patent Validity: Offers to Sell an Invention Before Getting a Patent

Patent Validity: Offers to Sell an Invention Be careful when selling an invention before filing a patent application.  By Frederic M. Douglas; douglaspatents.com © January 14, 2002, Frederic M. Douglas, All Rights Reserved.                    Q.  When does an offer … Continue reading

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Tips on patent subject matter eligibility for computer readable media

Tips on patent subject matter eligibility for computer readable media © 2012 Frederic M. Douglas. All Rights Reserved.                Many patent applications have been filed aimed at protecting inventions involving computers. Often the patent claims describe using disc drives or … Continue reading

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Who’s an Inventor for a Patent?

When filing a patent application, the applicant must state correctly who are the inventors of the invention(s). If the patent issues with the wrong inventor listed, the patent may end up being invalid or unenforceable. Be sure to not omit … Continue reading

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Patent Validity: Offers to Sell an Invention

© Frederic M. Douglas, January 14, 2002.  All Rights Reserved. fdouglas@cox.net  Patent Validity: Offers to Sell an Invention  Q. When does an offer to sell bar patenting an invention?  A.  When a commercial offer of sale is madc.  General Discussion … Continue reading

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