home page of the united states patent and trademark office's main web site.

the world’s number one source for global intellectual property (patents, industrial designs, copyright, trademarks etc.) information, resources, and services.

the copyright alliance is a valuable resource for the creative community. learn more about how our team helps protect and advocate for copyright laws.

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the library of congress is the nation's oldest federal cultural institution, and it serves as the research arm of congress. it is also the largest library in the world, with more than 162 million items. the collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

official website of the u.s. department of justice (doj). doj’s mission is to enforce the law and defend the interests of the united states according to the law; to ensure public safety against threats foreign and domestic; to provide federal leadership in preventing and controlling crime; to seek just punishment for those guilty of unlawful behavior; and to ensure fair and impartial administration of justice for all americans.

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u.s. government publishing office

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news and analysis on legal developments including litigation filings, case settlements, verdicts, regulation, enforcement, legislation, corporate deals, and business of law.