MPEP 300
Ownership and Assignment

This is the Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020

Chapter 300: Ownership and Assignment

301: Ownership/Assignability of Patents and Applications

301.01: Accessibility of Assignment Records

302: Recording of Assignment Documents

302.01: Assignment Document Must Be Copy for Recording

302.02: Translation of Assignment Document

302.03: Identifying Patent or Application

302.04: Foreign Assignee May Designate Domestic Representative

302.05: Address of Assignee

302.06: Fee for Recording

302.07: Assignment Document Must Be Accompanied by a Cover Sheet 

302.08: Mailing Address for Submitting Assignment Documents

302.09: Facsimile Submission of Assignment Documents

302.10: Electronic Submission of Assignment Documents

303: Assignment Documents Not Endorsed on Pending Applications

304: Reserved

306: Assignment of Division, Continuation, Substitute, and Continuation-in-Part in Relation to Parent Application

306.01: Assignment of an Application Claiming the Benefits of a Provisional Application

307: Issue to Non-Applicant Assignee

308: Issue to Applicant

309: Restrictions Upon Employees of U.S. Patent and Trademark Office

310: Government License Rights to Contractor-Owned Inventions Made Under Federally Sponsored Research and Development

311: Filing of Notice of Arbitration Awards

312: Reserved

313: Recording of Licenses, Security Interests, and Documents Other Than Assignments

314: Certificates of Change of Name or of Merger

315: Indexing Against a Recorded Certificate

316: Reserved

317: Handling of Documents in the Assignment Division

317.01: Recording Date

317.02: Correction of Unrecorded Returned Documents and Cover Sheets

317.03: Effect of Recording

318: Documents Not to be Placed in Files

319: Reserved

320: Title Reports

321: Reserved

323: Procedures for Correcting Errors in Recorded Assignment Document

323.01: Correction of Error in Recorded Cover Sheet

323.01(a): Typographical Errors in Cover Sheet

323.01(b): Typographical Errors in Recorded Assignment Document

323.01(c): Assignment or Change of Name Improperly Filed and Recorded by Another Person Against Owner’s Application or Patent

323.01(d): Expungement of Assignment Records

324: Establishing Right of Assignee To Take Action in Application Filed Before September 16, 2012

325: Establishing Right of Assignee To Take Action in Application Filed On or After September 16, 2012