Fletcher Multilaterals Project — From the Fletcher School of Law and Diplomacy. Texts of international multilateral conventions and other instruments.
Multilaterals Project: Trade and Commercial Relations — Trade and commercial relations multilateral conventions.
Paris Convention for the Protection of Industrial Property (1979) — From the World Intellectual Property Organization. As amended on October 2, 1979.
Patent Cooperation Treaty — Cooperation in the filing, searching, and examination, of applications for the protection of inventions.
Statutes: U.S. Code, Title 35 — Patent Act.
WTA/WTO & GATT 1994 — World Trade Agreement 1994 (establishing the WTO and including GATT 1994).

United States Patent and Trademark Office — Patent and trademark information, including links to forms, fee information, news, legal materials, statistics, and related Web sites.
US Patent and Trademark Office: Final Decisions of the Board of Patent Appeals and Interferences
US Patent and Trademark Office: General Information Concerning Patents — From the US Patent and Trademark Office (USPTO).
US Patent and Trademark Office: StopFakes  — Official resources for protecting rights of small businesses.
USPTO Trademark Electronic Search System (TESS) — Contains more than 4 million pending, registered and dead federal trademarks
USPTO Web Patent Databases — Full text database, bibliographic database, AIDS patent database.
USPTO: Patent Cooperation Treaty (PCT) Legal Office — Resources involving the Patent Cooperation Treaty.

Index to Manual of Classification of Patents
Legal Information Institute at Cornell Law School: Patent
MicroPatent — Commercial searchable patent tracking site.