Patent research - Finding patents - Research Guides at Stevens Institute of Technology

Newark Public Library
The Newark Public Library is one of two designated Patent and Trademark Depository Libraries in New Jersey (the other is Rutgers Library of Science and Medicine-Piscataway).

Holdings include:
- U.S. Patents/Utility -- Available on microfilm from 1790 to the present.
- U.S. Patents/Design -- Available on microfilm from 1939.
- Official Gazette -- This weekly publication contains the abstracted version of new utility and design patents. On microfilm from 1872. In paper from 1931.
New York Public Library: Science, Industry and Business
Also a Patent & Trademark Depository Library, SIBL holds the entire collection of US Patents on microfilm as well as a Foreign and International Patents Collection.
Holdings include:
- U.S. Patents/Utility ‚ Available on microfilm from 1790 to the present. On CD-ROM from 1994 to the present.
- U.S. Patents/Design ‚ Available on microfilm from 1842 to the present.
- Foreign & International Patents:
  - Denmark. 1895-present
  - European Patent Office. A1/A2 1978-present, A3 1988-present, B1/B2 1981-present
  - France. 1899-1970, 1982-present
  - Germany. Patent #s 1-977,889 and 1957- present
  - Japan. 1910-1941, 1950-1973, 1982-present
  - Sweden. 1885-present
  - Switzerland. 1984-present
  - United Kingdom (Great Britain). 1673-present
  - USSR (Russia). 1987-1992
- World Intellectual Property Organization (i.e., World or PCT Patents). 1981-present
Both of these libraries are open to the public. We recommend checking their web sites for hours of availability and directions.

Ordering Copies of Patents:
The library's Interlibrary Loan/Document Delivery Services Department can obtain copies of patents for you for just $1 per patent. Submit a Document Request Form for patents that are not available from any of the free web sites listed above.

General Information about Patents:

United States Patent and Trademark Office

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