Prosecution Insights
Last updated: October 27, 2026

William H Mayo III, USPTO Patent Examiner

Listed by the USPTO as MAYO III, WILLIAM H

Tech Center 2800 • Art Units: 1742 2831 2835 2841 2847

This examiner grants 77% of resolved cases

Performance Statistics

77.0%
Allow Rate
+9.0% vs TC avg
1,360
Total Applications
-3.9%
Interview Lift
790
Avg Prosecution Days
Based on 1299 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
33.0%
§102 Novelty
54.1%
§103 Obviousness
5.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18785624 MULTICORE CABLE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18785560 MULTI-CORE CABLE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18764721 COAXIAL CABLE AND MULTI-CORE CABLE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18718198 CABLE WITH CONNECTOR Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18699547 WIRING MEMBER-EQUIPPED ADHEREND AND METHOD OF MANUFACTURING WIRING MEMBER-EQUIPPED ADHEREND Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18929741 INSULATING COATING MATERIAL FOR COATING ELECTRIC WIRE, INSULATED WIRE, COIL, AND ELECTRIC OR ELECTRONIC DEVICE Non-Final OA Shin-Etsu Chemical Co., Ltd.
18906256 SHIELD STRUCTURE AND SHIELD SHELL PRODUCTION METHOD Non-Final OA Yazaki Corporation
18319412 ALUMINUM-CARBON METAL MATRIX COMPOSITES FOR BUSBARS Final Rejection YAZAKI CORPORATION
18855700 SUBMARINE CABLE Non-Final OA BOREALIS AG
18978468 CABLE AND DAMAGE DETECTION DEVICE Non-Final OA Proterial, Ltd.
18978498 CABLE AND DAMAGE DETECTION DEVICE Non-Final OA Proterial, Ltd.
18813693 COMPOSITE CABLE AND COMPOSITE HARNESS Final Rejection Proterial, Ltd.

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Frequently Asked Questions

What is examiner William H Mayo III's allowance rate?

77.0% of resolved applications examined by William H Mayo III were allowed (1,299 resolved cases), compared with 58.3% across Art Unit 1742 over the last five years.

Does an interview help with examiner William H Mayo III?

This examiner's interview lift is -3.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William H Mayo III take to allow a patent?

Applications allowed by William H Mayo III took 790 days on average from filing to allowance.

Which art unit does examiner William H Mayo III work in?

William H Mayo III examines applications in Art Unit 1742 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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