Prosecution Insights
Last updated: April 19, 2026

Examiner: KLIMOWICZ, WILLIAM JOSEPH

Tech Center 2600 • Art Units: 2627 2686 2687 2688

This examiner grants 81% of resolved cases

Performance Statistics

80.8%
Allow Rate
+18.8% vs TC avg
1318
Total Applications
+18.5%
Interview Lift
765
Avg Prosecution Days
Based on 1284 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
30.3%
§102 Novelty
42.5%
§103 Obviousness
18.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19112457 MAGNETIC TAPE AND TAPE CARTRIDGE Non-Final OA Sony Group Corporation
17988178 VIBRATOR DEVICE Final Rejection SEIKO EPSON CORPORATION
19027299 MTJ DEVICE PERFORMANCE BY ADDING STRESS MODULATION LAYER TO MTJ DEVICE STRUCTURE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19040639 RuAl and MgTiO Lamination For Effective Buffer and Interlayers For Topological Material Layers Non-Final OA Western Digital Technologies, Inc.
18885487 FINE ACTUATOR REACTION FORCE CANCELLATION FLEXIBLE SUSPENSION Non-Final OA Western Digital Technologies, Inc.
18911425 OPTICAL DISC DRIVE AND ELECTRONIC EQUIPMENT Non-Final OA Sony Interactive Entertainment Inc.
19176589 MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18985652 DISK DEVICE Non-Final OA Toshiba Electronic Devices & Storage Corporation
18981321 MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18829872 DISK DEVICE Non-Final OA Toshiba Electronic Devices & Storage Corporation
18298396 ACOUSTIC OUTPUT DEVICE Non-Final OA SHENZHEN SHOKZ CO., LTD.
18167827 ACOUSTIC DEVICES Non-Final OA SHENZHEN SHOKZ CO., LTD.
18175954 RESONANCE DEVICE AND RESONANCE DEVICE MANUFACTURING METHOD Non-Final OA Murata Manufacturing Co., Ltd.
18110414 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
19067574 Improved YPtBi Composition in Spin Orbit Torque Devices Non-Final OA INSTITUTE OF SCIENCE TOKYO
18245099 METHODS FOR DEPOSITING PIEZOELECTRIC MATERIALS, AND MATERIALS DEPOSITED THEREWITH Non-Final OA Qorvo US, Inc.
18958794 ENCLOSURE FOR COUPLING STORAGE DEVICE TO A COMPUTER Non-Final OA Sphere Entertainment Group, LLC
18055774 FLUID CONTROL DEVICE, VAPORIZATION SYSTEM, AND PIEZO ACTUATOR Final Rejection HORIBA STEC, Co., Ltd.
18027401 PIEZOELECTRIC DEVICE, FORCE SENSOR, AND BIOLOGICAL INFORMATION ACQUISITION DEVICE Non-Final OA MITSUI CHEMICALS, INC.
17793357 ACOUSTICALLY-DRIVEN QUANTUM SPIN SENSOR Final Rejection Cornell University
18050408 APPARATUS AND METHOD FOR DESIGNING AMPLIFIER Non-Final OA GENTLE ENERGY CORP.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month