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Manual of Patent Examining Procedure (MPEP)
Chapter 0400
Representative of Applicant or Owner
United States Patent and Trademark Office
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401
U.S. Patent and Trademark Office Cannot Aid in Selection of Patent Practitioner
402
Power of Attorney; Naming Representative
403
Correspondence — With Whom Held; Customer Number Practice
404
[Reserved]
405
Interviews With Patent Practitioner Not of Record
406
Death of Patent Practitioner
407
Suspended or Excluded Patent Practitioner
408
Interviews With Patent Practitioner of Record
409
Death, Legal Incapacity, or Unavailability of Inventor
410
Representations to the U.S. Patent and Trademark Office