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Home / Examiner: PIERCE, WILLIAM M
Last updated: August 18, 2026

Examiner: PIERCE, WILLIAM M

Tech Center 3700 • Art Units: 3711

This examiner grants 43% of resolved cases

Performance Statistics

42.6%
Allow Rate
-27.4% vs TC avg
967
Total Applications
+16.4%
Interview Lift
1007
Avg Prosecution Days
Based on 946 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
19.7%
§102 Novelty
35.4%
§103 Obviousness
27.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18465951 GOLF CLUB HEAD HAVING SPRING MASS DAMPING ELEMENTS Non-Final OA Acushnet Company
18346026 GOLF CLUB HEAD WITH IMPROVED STRIKING FACE Final Rejection Acushnet Company
17897057 MULTI-MATERIAL GOLF CLUB HEAD Final Rejection Acushnet Company
18731092 GOLF CLUB HEAD WITH VIBRATIONAL DAMPING SYSTEM Non-Final OA KARSTEN MANUFACTURING CORPORATION
18639875 GOLF IRONS WITH SEALED UNDERCUT Non-Final OA KARSTEN MANUFACTURING CORPORATION
18342667 Golf Club Heads with Energy Storage Characteristics Non-Final OA Karsten Manufacturing Corporation
18947504 PICKLEBALL PADDLE Non-Final OA Head Technology GmbH

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

Data: USPTO Patent File Wrapper (daily) • Office Action Archive (weekly) • 89M+ prosecution events

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