The U.S. Patent and Trademark Office building in Alexandria, Va., has a contemporary look, but Senators trying to update the patent system say it's stuck in the 1950s and needs to catch up with 21st-century technology. A bipartisan bill to reform the system is headed for Senate debate. (Associated Press)

The U.S. Patent and Trademark Office building in Alexandria, Va., has a contemporary look, but Senators trying to update the patent system say it's stuck in the 1950s and needs to catch up with 21st-century technology. A bipartisan bill to reform the system is headed for Senate debate. (Associated Press)