MPEP 500 – Receipt and Handling of Mail and Papers

This page consolidates and annotates enforceable requirements under MPEP 500 — Receipt and Handling of Mail and Papers, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

MetricValueShare of total
Rules extracted1,777
4.7%
Citations to Authorities
MPEP2,013
USC529
CFR3,874
PCT102
5.3%
Avg citations per rule3.67
Topics covered225 primary + 363 secondary
24.2%

Pages in this chapter

Page
MPEP § 501 — Filing Papers With the U.S. Patent and Trademark Office82 rules
MPEP § 502 — Depositing Correspondence40 rules
MPEP § 502.01 — Correspondence Transmitted by Facsimile64 rules
MPEP § 502.02 — Correspondence Signature Requirements96 rules
MPEP § 502.03 — Communications via Internet Electronic Mail (email)51 rules
MPEP § 502.04 — Duplicate Copies of Correspondence2 rules
MPEP § 502.05 — Correspondence Transmitted by EFS-Web517 rules
MPEP § 503 — Application Number and Filing Receipt62 rules
MPEP § 504 — Assignment of Application for Examination0 rules
MPEP § 505 — Date of Receipt Stamp15 rules
MPEP § 506 — Completeness of Original Application97 rules
MPEP § 506.02 — Review of Refusal To Accord Filing Date16 rules
MPEP § 507 — Drawing Review in the Office of Patent Application Processing11 rules
MPEP § 508 — Distribution1 rules
MPEP § 508.02 — Papers Received After Patenting or Abandonment0 rules
MPEP § 508.04 — Unlocatable Patent or Application Files27 rules
MPEP § 509 — Payment of Fees71 rules
MPEP § 509.01 — Deposit Accounts55 rules
MPEP § 509.02 — Small Entity Status — Definitions73 rules
MPEP § 509.03 — Claiming Small Entity Status56 rules
MPEP § 509.03(a) — Duty to Investigate Entitlement to Claim Small Entity Status17 rules
MPEP § 509.03(b) — Change or Correction of Status32 rules
MPEP § 509.04 — Micro Entity Status — Definitions27 rules
MPEP § 509.04(a) — Gross Income Basis for Micro Entity Status78 rules
MPEP § 509.04(b) — Institution of Higher Education Basis for Micro Entity Status31 rules
MPEP § 509.04(c) — Parties Who Can Sign the Micro Entity Certification7 rules
MPEP § 509.04(d) — Continued Obligation to Determine Micro Entity Qualification8 rules
MPEP § 509.04(e) — Notification of Loss of Entitlement to Micro Entity Status9 rules
MPEP § 509.04(f) — Correcting Errors in Micro Entity Status11 rules
MPEP § 510 — U.S. Patent and Trademark Office Business Hours33 rules
MPEP § 511 — Postal Service Interruptions and Emergencies24 rules
MPEP § 512 — Certificate of Mailing or Transmission64 rules
MPEP § 513 — Deposit as Priority Mail Express® with U.S. Postal Service100 rules

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