(a) The title of the invention may not exceed 500 characters in length and must be as short and specific as possible. Characters that cannot be captured and recorded in the Office's automated information systems may not be reflected in the Office's records in such systems or in documents created by the Office. Unless the title is supplied in an application data sheet (§ 1.76), the title of the invention should appear as a heading on the first page of the specification.
CFR 37-1.72-2013 history
2013CFR 37-1.72-2013 Patents, trademarks, and copyrights. Part1:Rules of practice in patent cases. Section1.72:Title and abstract.