Prosecution Insights
Last updated: October 27, 2026

Melvin C Mayes, USPTO Patent Examiner

Listed by the USPTO as MAYES, MELVIN C

Tech Center 1700 • Art Units: 1700 1716 1731 1732 1733 1759 1791 1793 1798

This examiner grants 35% of resolved cases

Analysis

MAYES, MELVIN C works in Tech Center 1700 and Art Unit 1700. His record includes 127 resolved cases, a 34.6% allowance rate, and a 1568-day median to allowance. The figures indicate a challenging allowance environment in the reported matters and a prolonged path to allowance.

The interview lift is 5.2%, showing only a limited association between interviews and allowance outcomes. Recurring applicants include TotalEnergies SE, The Regents of the University of California, and Screen Holdings Co., Ltd. The listed firms are ARENTFOX SCHIFF LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC. Counsel may need to emphasize careful written claim strategy.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

34.6%
Allow Rate
-30.4% vs TC avg
141
Total Applications
+5.2%
Interview Lift
1568
Avg Prosecution Days
Based on 127 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.9%
§102 Novelty
53.9%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18461166 METHOD FOR RENEWING OR RECOVERING PERFORMANCE OF HALIDE-BASED SOLID ELECTROLYTE Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18564922 USE OF A COOLING COMPOSITION TO PROTECT A BATTERY Non-Final OA TOTALENERGIES ONETECH
18547477 A METHOD FOR ETCHING MOLYBDENUM Non-Final OA SCREEN HOLDINGS CO., LTD.
18543156 LITHIUM SECONDARY BATTERY Non-Final OA TeraWatt Technology K.K.
17918547 PASTE FOR PREPARING CAPILLARY STRUCTURE AND PREPARATION METHOD THEREOF Non-Final OA RUIZHI TECHNOLOGIES (CHANGZHOU) CO., LTD.

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Frequently Asked Questions

What is examiner Melvin C Mayes's allowance rate?

34.6% of resolved applications examined by Melvin C Mayes were allowed (127 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Melvin C Mayes?

This examiner's interview lift is +5.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Melvin C Mayes take to allow a patent?

Applications allowed by Melvin C Mayes took 1,568 days on average from filing to allowance.

Which art unit does examiner Melvin C Mayes work in?

Melvin C Mayes examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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