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1 1 (May 31, 2007)

handle is hein.crs/crsajog0001 and id is 1 raw text is: Order Code RS22670
May 31, 2007
Exporting Software and the Extraterritorial
Reach of U.S. Patent Law: Microsoft Corp. v.
AT& T Corp.
Brian T. Yeh
Legislative Attorney
American Law Division
Summary
Generally speaking, United States patent law does not have extraterritorial effect.
The exception, however, is § 271(f) of the Patent Act, which makes it an act of patent
infringement to manufacture within the United States the components of a patented
invention and then export those disassembled parts for combination abroad into an end
product. However, in Microsoft Corp. v. AT&T Corp. (550 U.S. , No. 05-1056,
decided April 30, 2007), the U.S. Supreme Court held that software companies are not
liable for patent infringement under § 271(f) when they export software that has been
embodied in machine-readable, physical form (a CD-ROM, for example), with the intent
that such software be copied abroad for installation onto foreign-manufactured
computers. In this case, AT&T holds a patent on a speech software program upon which
Microsoft's Windows operating system infringes. Microsoft ships abroad a master
version of Windows, either on a disk or via encrypted electronic transmission, which
foreign computer manufacturers use to generate copies. Thus, the actual copies of the
Windows software that are installed onto the foreign-made computers are made abroad.
Consequently, according to the Supreme Court, liability for such unauthorized
replication, if any, would have to arise under the patent laws of those foreign countries,
not the U.S. Patent Act.
Background
In 1972, the Supreme Court ruled in Deepsouth Packing Co. v. Laitram Corp.' that,
under the Patent Act as it was written at that time, it was not an act of patent infringement
to manufacture the components of a patented invention in the United States and then ship
them abroad for assembly into an end product. In response to this loophole in the patent

1 406 U.S. 518 (1972).

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