Patent assignment documents can be searched for - and viewed - by using the United States Patent and Trademark Office Patent Assignment Search webpage. You can search for an assignment by using: the assignor's name; the assignee's name, patent application number, patent number, and other information tied to the patent.
Via the USPTO Click the search button. Your search results will display the file histories (file wrappers) for all the related applications and patents in the family from the different IP5 offices.
Patents may be searched using the following resources: Patent Public Search. Global Dossier. Public Search Facility. Patent and Trademark Resource Centers (PTRCs) Patent Official Gazette. Common Citation Document (CCD) Search International Patent Offices. Search Published Sequences.
Get familiar with the format of a patent Description of the invention. The detailed description is the heart of your patent application. Title of the invention. Cross-reference. Background. Summary of the Invention. Claims. Abstract. Drawings and descriptions.