A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

• Machine, process or product— 806.05(e) ; 806.05(f) ; 806.05(g)
• Mail ( See also Mail Stop)
  • Address— 501
  • Depositing correspondence— 502
  • Distribution— 501
  • Express— 502 ; 513 ; 711.03(c)
  • Identification— 502 ; 503
  • Receipt and handling— 500
  • Undelivered— 707.13 ; 1303.02
  • Zip code— 502
• Mail date as filing date— 513
• Mail stop— 501
  • Mail Stop 8 (Solicitor)— 501 ; 1216 ; 1216.01
  • Mail Stop 10— 1232
  • Mail Stop 16 (Refunds)— 509.03
  • Mail Stop AF— 714.13
  • Mail Stop Assignment Recordation— 501 ; 302.08
  • Mail Stop Conversion— 601.01(c)
  • Mail Stop Document Services— 103 ; 501 ; 1430 ; 1470 ; 2222 ; 2232 ; 2501 ; 2622 ; 2632
  • Mail Stop EBC— 403
  • Mail Stop Ex Parte Reexam— 501 ; 2222 ; 2224 ; 2226 ; 2231
  • Mail Stop Expedited Design— 1504.30
  • Mail Stop Express Abandonment— 1002.02(r) ; 1125
  • Mail Stop Inter partes Reexam— 501 ; 2622 ; 2624 ; 2631
  • Mail Stop Issue Fee— 502 ; 1306 ; 1306.02
  • Mail Stop L&R— 120
  • Mail Stop M Correspondence— 501 ; 2510
  • Mail Stop MPEP—
  • Mail Stop OED— 402 ; 407
  • Mail Stop Patent Ext— 501 ; 1002.02(b) ; 2754 ; 2754
  • Mail Stop PCT— 501 ; 1805 ; 1808 ; 1821 ; 1823.02 ; 1865
  • Mail Stop Petitions— 720 ; 1002.02(b) ; 1308 ; 1901.03 ; 2580 ; 2590 ; 2720
  • Mail Stop PGPUB— 1126
  • Mail Stop Reissue— 1410
  • Mail Stop Sequence— 2422.09 ; 2429
• Mailing action— 707.12
  • In ex parte reexamination— 2264
  • In inter parte reexamination— 2664
• Mailing, Certificate of ( See Certificate of mailing or transmission (37 CFR 1.8))
• Maintenance Fee Branch— 1501
  • Contact information— 1730
• Maintenance fees ( See also Fee and Refunds)— 1730 ; 2500
  • Attorney or agent
    • Handling of requests to withdraw— 2560
    • Revocation of power of attorney— 2501 ; 2560
  • Change of correspondence address— 2501 ; 2542
  • Credit card used for payment of— 2510 ; 2522
  • Due dates for payment— 2506
  • Duplicate Payment— 2532
  • Facsimile submission— 2510
  • Fee address— 2540
  • Fee amounts— 2501 ; 2520
  • Forms— 2595
  • Information available from Maintenance Fee Branch— 1730
  • Information required with payment— 2515 ; 2530
  • Insufficient— 2531
  • Internet submission— 2510
  • Intervening rights in reinstated patents— 2591
  • Late— 2531
  • Mailing address for maintenance fee documents— 501 ; 2510
  • Mailing address for payments— 501
  • Maintenance Fee Branch— 2501
  • Method of payment— 2522
  • Notices – Expiration, Receipt, Reminder— 2575
  • Obligation to pay while reissue is pending— 1415.01
  • Overpayment— 2550
  • Patents subject to payment of— 2504
  • Payment informalities— 2530
  • Petition to accept— 2515 ; 2531 ; 2590
  • Reexamination— 2506
  • Refusal to accept and record payments, Review of— 2580
  • Reinstatement, delayed payment— 2590
    • Unavoidable delay basis— 2590
    • Unintentional delay basis— 2590
  • Reissue patents— 1415.01 ; 1443 ; 2504 ; 2506 ; 2520
  • Saturday, Sunday or Federal holiday, due on— 2504 ; 2506
  • Small entity status requirements— 2550
  • Special Acceptance— 2530
  • Status requests— 1730 ; 2570
• Mandatory Classification— 903.07
• Manual, authority of—
• Manual, subscription address—
• Manual of Classification— ; 902.01
• Manuscript decision— 707.06
• Margin, application papers— 608.01
• Mark of applicant— 605.04(d)
• Marking in application, erasing at allowance— 1302.01
• Marking, Security— 121
• Markush claim— 803.02 ; 2173.05(h) ; 2173.05(o)
  • Antedating reference for— 715.03
  • Supporting disclosure— 608.01(p) ; 2163.05 ; 2164.03
• Master classification file (MCF)— 902.03(a)
• Material mistake by Office in published PG-Pub— 1130
• Materiality of information regarding patentability ( See Duty of disclosure)
• Mathematical algorithms— 706.03(a) ; 2106 ; 2181
• Matter not in original disclosure— 608.04(a)
• Means— 2181
  • Broadest reasonable interpretation— 2181
  • Equivalent compared to Doctrine of Equivalents— 2186
  • Obviousness— 2183
  • Prima facie case of equivalence— 2183 ; 2184
  • Related issues under 35 U.S.C. 112, first or second paragraphs— 2181 ; 2185
  • Scope of the identification of prior art— 2182
  • Single means claim— 2164.08(a) ; 2181
• Means plus function limitations— 706.02(m) ; 2106 ; 2111.01 ; 2114 ; 2181 – 2186
• Mechanical search— 719.05
• Memorandum, citation— 707.06
• Merger of ex parte reexamination and reissue— 2285
• Merger of inter partes reexamination and reissue— 2686.03
• Merits, Appeal to Board of Patent Appeals and Interferences—
• Method of making and apparatus or product— 806.05(e) ; 806.05(f)
• Metric (S.I.) system usage— 608.01
• Microorganisms ( See Biotechnology)
• Microorganisms, deposit of— 1823.01 ; 2402 – 2411.05
• Microorganisms, patentability of— 706.03(a) ; 2105 ; 2164.06
• Militarily Critical Technology List (MCTL)— 120
• Military officer notary— 604.03(a)
• Minor, inventor— 409
• Misjoinder, Effect on patent— 805
• Misjoinder of inventors— 201.03 ; 1402 ; 1412.04 ; 1481
• Mistake ( See Correction of patent and Errors)
• Mistake by Office in Pre-Grant Publication— 1130
• Mode, Best ( See Best Mode)
• Mode of operation— 608.01(h)
• Model— 608.03
• Model, return— 608.03(a)
• Model at interview— 713.08
• Model filed in priority country— 201.14(b)
• Months, foreign language names— 901.05(a)
• Motions in interferences ( See Interference: Motions)
• Multiple dependent claims
  • Fee calculation— 607 ; 608.01(n)
  • Handling— 608.01(n)
  • Restriction practice— 608.01(n)
• Multiple papers on same issue in protest— 1901.07(a)
• Multiplicity of claims— 408 ; 707.07(g) ; 714.16 ; 2173.05(h) ; 2173.05(n)
• Multiplicity of species— 806.01 ; 808.01(a)
• Munitions Lists of the International Traffic Arms Regulation (ITAR)— 120

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z