Prosecution Insights
Last updated: April 19, 2026

Examiner: PIERCE, WILLIAM M

Tech Center 3700 • Art Units: 3711

This examiner grants 42% of resolved cases

Performance Statistics

42.2%
Allow Rate
-27.8% vs TC avg
957
Total Applications
+16.4%
Interview Lift
976
Avg Prosecution Days
Based on 937 resolved cases, 2023–2026

Rejection Statute Breakdown

11.9%
§101 Eligibility
21.2%
§102 Novelty
32.5%
§103 Obviousness
28.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18622972 GOLF CLUB HEAD WITH IMPROVED STRIKING FACE Non-Final OA Acushnet Company
18428460 GOLF CLUB HEAD WITH IMPROVED STRIKING FACE Non-Final OA Acushnet Company
18475183 GOLF CLUB HEAD HAVING SUPPORTED STRIKING FACE Non-Final OA Acushnet Company
18465951 GOLF CLUB HEAD HAVING SPRING MASS DAMPING ELEMENTS Final Rejection Acushnet Company
18346026 GOLF CLUB HEAD WITH IMPROVED STRIKING FACE Non-Final OA Acushnet Company
17842454 MULTI-MATERIAL GOLF CLUB HEAD Final Rejection Acushnet Company
17675554 MULTI-MATERIAL GOLF CLUB HEAD Non-Final OA Acushnet Company
18342667 Golf Club Heads with Energy Storage Characteristics Non-Final OA Karsten Manufacturing Corporation
18450366 GOLF CLUB HEAD WITH L-SHAPED FACEPLATE AND WEIGHT PAD Non-Final OA KARSTEN MANUFACTURING CORPORATION
18350686 GOLF CLUB HEADS WITH ENERGY STORAGE FEATURES Non-Final OA KARSTEN MANUFACTURING CORPORATION

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