Prosecution Insights
Last updated: October 26, 2026

William Joseph Klimowicz, USPTO Patent Examiner

Listed by the USPTO as KLIMOWICZ, WILLIAM JOSEPH

Tech Center 2600 • Art Units: 2627 2686 2687 2688

This examiner grants 81% of resolved cases

Analysis

William Joseph Klimowicz is assigned to Tech Center 2600 and Art Unit 2627. His record includes 1,315 resolved cases, an 80.8% allowance rate, and a median of 751 days to allowance. The interview lift is 18.2%, showing a positive association between interviews and allowance in the reported record.

The listed companies are Western Digital Technologies Inc., International Business Machines Corporation, and Nhk Spring Co., Ltd. The listed firms are Patterson + Sheridan, LLP - Western Digital, HOLTZ, HOLTZ & VOLEK PC, and CHIP LAW GROUP. The 80.8% allowance rate provides a broad outcome signal across a substantial record, while the 18.2% interview lift supports including examiner contact in prosecution planning. The 751-day median supplies a useful timing reference for applicants and counsel.

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

Performance Statistics

80.8%
Allow Rate
+18.8% vs TC avg
1,361
Total Applications
+18.2%
Interview Lift
751
Avg Prosecution Days
Based on 1315 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
30.0%
§102 Novelty
44.0%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19316201 MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS Non-Final OA FUJIFILM Corporation
18791466 MAGNETIC TAPE CARTRIDGE AND MANUFACTURING METHOD OF MAGNETIC TAPE CARTRIDGE Non-Final OA FUJIFILM CORPORATION
19150473 MAGNETIC RECORDING MEDIUM Non-Final OA SONY GROUP CORPORATION
19112457 MAGNETIC TAPE AND TAPE CARTRIDGE Non-Final OA Sony Group Corporation
19349645 FLEXURE FOR HARD DISK DRIVE SUSPENSION AND HARD DISK DRIVE SUSPENSION Final Rejection NHK SPRING CO., LTD.
19276396 HEAD DRIVING DEVICE Final Rejection NHK SPRING CO., LTD.
18408598 PIEZOELECTRIC ELEMENT AND DISK DRIVE SUSPENSION Non-Final OA NHK SPRING CO., LTD.
18758384 LOW CROSSTALK PIGGY-BACK TAPE HEAD Final Rejection International Business Machines Corporation
18616936 TAPE PATH WITH MOVABLE TAPE SUPPORT Non-Final OA International Business Machines Corporation
18616915 TAPE GUIDE ASSEMBLY Final Rejection International Business Machines Corporation
18333138 BLENDED MEDIA HEAD IN A STORAGE SYSTEM Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
19261358 METHOD FOR PRODUCING GRAMOPHONE RECORDS BY INJECTION MOULDING Non-Final OA Adrianus Martinus Gerardus THEUNISSE
18245099 METHODS FOR DEPOSITING PIEZOELECTRIC MATERIALS, AND MATERIALS DEPOSITED THEREWITH Non-Final OA Qorvo US, Inc.

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Frequently Asked Questions

What is examiner William Joseph Klimowicz's allowance rate?

80.8% of resolved applications examined by William Joseph Klimowicz were allowed (1,315 resolved cases), compared with 72.0% across Art Unit 2627 over the last five years.

Does an interview help with examiner William Joseph Klimowicz?

This examiner's interview lift is +18.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William Joseph Klimowicz take to allow a patent?

Applications allowed by William Joseph Klimowicz took 751 days on average from filing to allowance.

Which art unit does examiner William Joseph Klimowicz work in?

William Joseph Klimowicz examines applications in Art Unit 2627 in Tech Center 2600 (Communications).

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