Prosecution Insights
Last updated: October 02, 2026

Examiner: PIERCE, WILLIAM M

Tech Center 3700 • Art Units: 3711

This examiner grants 43% of resolved cases

Analysis

William M. Pierce is an examiner in Tech Center 3700 and Art Unit 3711. The examiner has 950 resolved cases and an allowance rate of 42.8 percent. This suggests a more rigorous examination process. The median days to allowance is 1008, which provides a timeline for the expected duration of prosecution. With 950 resolved cases, the data offers a clear view of the examiner's historical patterns.

The interview lift for this examiner is 16.3 percent. This indicates that conducting an interview is associated with a higher probability of allowance than the 42.8 percent baseline. Practitioners should consider the 16.3 percent lift as a helpful strategy for advancing applications. The 1008 median days to allowance is a key metric for Art Unit 3711. By using the 16.3 percent interview lift, applicants can improve their chances beyond the initial 42.8 percent allowance rate across the 950 resolved cases managed by this examiner.

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

Performance Statistics

42.8%
Allow Rate
-27.2% vs TC avg
969
Total Applications
+16.3%
Interview Lift
1008
Avg Prosecution Days
Based on 950 resolved cases, 2023–2026

Rejection Statute Breakdown

10.7%
§101 Eligibility
19.7%
§102 Novelty
35.3%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18963302 INTERNALLY DAMPED GOLF CLUB HEAD Non-Final OA Acushnet Company
18920599 ADJUSTABLE BOUNCE WEDGE Non-Final OA Acushnet Company
18901342 METHOD OF FORMING A GOLF CLUB HEAD WITH IMPROVED INERTIA PERFORMANCE Non-Final OA Acushnet Company
18779436 SUPPORTED IRON Non-Final OA Acushnet Company
18501944 GOLF CLUB HEAD HAVING SUPPORTED STRIKING FACE Non-Final OA Acushnet Company
18482392 MULTI-MATERIAL GOLF CLUB HEAD Final Rejection Acushnet Company
18465951 GOLF CLUB HEAD HAVING SPRING MASS DAMPING ELEMENTS Non-Final OA Acushnet Company
18237284 GOLF CLUB HEAD WITH ABRASION RESISTANT STRIKING FACE Final Rejection Acushnet Company
18346026 GOLF CLUB HEAD WITH IMPROVED STRIKING FACE Final Rejection Acushnet Company
17897057 MULTI-MATERIAL GOLF CLUB HEAD Final Rejection Acushnet Company
18382758 GOLF CLUB HEAD WITH SOLE SIDE FEATURES Final Rejection Mizuno Corporation
18984696 GOLF CLUB HEADS WITH ENERGY STORAGE CHARACTERISTICS Non-Final OA Karsten Manufacturing Corporation
18948789 GOLF CLUB HEAD HAVING AN ADJUSTABLE WEIGHTING SYSTEM Non-Final OA KARSTEN MANUFACTURING CORPORATION
18948778 GOLF CLUB HEAD HAVING AN ADJUSTABLE WEIGHTING SYSTEM Non-Final OA KARSTEN MANUFACTURING CORPORATION
18781776 GOLF CLUB HEADS WITH ADJUSTABLE WEIGHTING SYSTEM Non-Final OA KARSTEN MANUFACTURING CORPORATION
18731092 GOLF CLUB HEAD WITH VIBRATIONAL DAMPING SYSTEM Non-Final OA KARSTEN MANUFACTURING CORPORATION
18676399 Golf Club Head or Other Ball Striking Device Having Impact-Influencing Body Features Non-Final OA Karsten Manufacturing Corporation
18665424 FAIRWAY WOOD GOLF CLUB HEAD WITH LOW CG Non-Final OA Karsten Manufacturing Corporation
18639875 GOLF IRONS WITH SEALED UNDERCUT Non-Final OA KARSTEN MANUFACTURING CORPORATION
18450366 GOLF CLUB HEAD WITH L-SHAPED FACEPLATE AND WEIGHT PAD Final Rejection KARSTEN MANUFACTURING CORPORATION
18943832 GOLF CLUB HAVING IMPACT SENSOR Non-Final OA Taylor Made Golf Company, Inc.
18796753 GOLF CLUB HEAD Non-Final OA Taylor Made Golf Company, Inc.
18662372 GOLF CLUB HEADS Non-Final OA Taylor Made Golf Company, Inc.

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