Heuberger v. Becker

This is an interference proceeding wherein appellant has brought before us for review a decision of the Board of Appeals of the United States Patent Office affirming a decision of the Examiner of Interferences awarding- priority of invention to appellee.

The interference is between an application of appellant filed October 30, 1933, and an application of appellee filed April 9, 1934. Appellee being the junior party, the burden was upon him to establish priority of invention by a preponderance of evidence. Appel*747lant claims tlie benefit of the filing dates of two German applications, filed on…