IFICLS
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Description:
The IFI Current Patent Legal Status database provides information on the current legal status of U.S. patents. The database includes reassigned patents when ownership of the patent has been transferred from 1980 to present; reexamined patents that have undergone a review due to patentability questions from 1981 to the present; expired patents from September 1985 to the present; patents extended beyond the normal 17-year patent life from 1985 to the present, reinstated patents from 1985 to the present; patents with adverse decision in interference from 1980 to the present; and disclaimer/dedication information from 1980 to the present; and reexamination requests from 1980 to the present, requests for reissue from 1985 to present and certificate of correction notices. The source is the U.S. Patent and Trademark Office. Patent information, former and new assignments, reexamination data, and dates of actions are all searchable. Producer: IFI CLAIMS(R) Patent Services, |
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