28 U.S.C. § 1745 : US Code - Section 1745: Copies of foreign patent documents

Search 28 U.S.C. § 1745 : US Code - Section 1745: Copies of foreign patent documents

Copies of the specifications and drawings of foreign letters
patent, or applications for foreign letters patent, and copies of
excerpts of the official journals and other official publications
of foreign patent offices belonging to the United States Patent and
Trademark Office, certified in the manner provided by section 1744
of this title are prima facie evidence of their contents and of the
dates indicated on their face.