U.S. Patent and Trademark Office

This is historical material, "frozen in time."
The web site is no longer updated and links to external web sites and some internal pages will not work.

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U.S. Patent and Trademark Office

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AIDS Patent Information

U.S. Patent and Trademark Office

Free, easily searchable and browsable database of AIDS-related U.S. and foreign patent information in three forms; bibliographic data plus abstracts, full text, and full-page images.

Search U.S. Patents 1976 to Present

U.S. Patent and Trademark Office

Free, easily searchable US Patent front-page information (bibliographic data plus abstracts; no drawings) of all US patents from 1976 to present. Browsable US Patent Classifications and definitions.

Order Copies of U.S. Patents and Trademarks

U.S. Patent and Trademark Office

U.S. Patent and Trademark copy order forms in Adobe PDF, Microsoft Word, and text formats. Fee, ordering, and delivery information. Transactions by check, money order, VISA, MasterCard, or deposit account. On-line ordering available soon.