Patent applied for

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Label given to a claimed invention while the Patent and Trademark Office examines the patent application.  No protection from infringement exists until a patent is granted, but this label may be used to notify customers and competitors that a patent is being sought.  This phrase (or something similar) should only be used if a patent application has actually been filed.  A monetary penalty exists for false marking.  See 35 U.S.C. § 292