並列摘要
The loading of the United States Patent and Trademark Office (USPTO) database on the Internet and World Wide Web (WWW) has set off a chain reaction with other patent database publishers. IBM and MicroPatent are to offer free commercial patent information via the Web. Patent information has never been so accessible, at such low cost, to so many end-users. This new accessibility has offered both opportunities and challenge for librarians. In this paper, the characteristics, importance, requirements and types of patents are discussed. Steps needed to perform a patent subject search are delineated. This studey also describes and different patent databases on the Internet, lists their strengths and weakness, and recommends the best free patent databases.
被引用紀錄
延伸閱讀
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