Prosecution Insights
Last updated: August 18, 2026

Examiner: KASZTEJNA, MATTHEW JOHN

Tech Center 3900 • Art Units: 1742 3725 3739 3779 3795 3799 3993

This examiner grants 65% of resolved cases

Performance Statistics

64.6%
Allow Rate
+4.6% vs TC avg
939
Total Applications
+12.8%
Interview Lift
1304
Avg Prosecution Days
Based on 904 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
24.5%
§102 Novelty
43.7%
§103 Obviousness
20.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18591535 COOKING VESSEL Non-Final OA WHIRLPOOL CORPORATION
18571353 BIOPSY DEVICE WITH LOOSE LIGHT CONDUCTOR Final Rejection GYRUS ACMI, INC. D/B/A OLYMPUS SURGICAL TECHNOLOGIES AMERICA
18258097 SYSTEM FOR DISPENSING INDIVIDUAL PORTIONS OF BEVERAGES PRECURSOR Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
17361165 FIXATION SLEEVE EQUIPPED LEADLESS PULSE GENERATOR Non-Final OA Pacesetter, Inc.
16986119 GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS Non-Final OA KARSTEN MANUFACTURING CORPORATION
16986109 GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS Non-Final OA KARSTEN MANUFACTURING CORPORATION
16986140 GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS Non-Final OA Karsten Manufacturing Corporation
18436764 POWER TAKE OFF MASHING ATTACHMENT FOR A STAND MIXER APPLIANCE Non-Final OA Haier US Appliance Solutions, Inc.
18267654 MAGNETIC STIRRER Non-Final OA ELECTROLUX APPLIANCES AKTIEBOLAG

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