Defensively search and publish.’s Prior Art Database has been in existence since the company was founded in 2000. It is the world’s first and largest online prior art disclosure service. It is an essential source of non-patent literature for IP professionals, attorneys, corporate researchers and development staff, libraries, and universities. To attest to its value, the Prior Art Database is required reading by Patent Cooperation Treaty (PCT) and United State Patent and Trademark Office (USPTO) examiners. Leading technology companies use defensive publication to strengthen their core patents and reduce freedom to operate risk.

With content exclusive to, the Prior Art Database is dedicated to providing the world with access to prior art technical-disclosure documents. Its sole purpose is to enable the creation of, and access to, prior art documents.

The Prior Art Database is home to a wide array of technical disclosures including many from Fortune 10 companies. In addition to anonymous publications from many prominent companies, you will find disclosures published with full authorship information from innovative companies such as IBM, Motorola, Siemens, and many more. The Prior Art Database is the exclusive location for IBM Technical Disclosure Bulletin (TDB) documents on the web.

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