Prosecution Insights
Last updated: October 27, 2026

Brian D Walck, USPTO Patent Examiner

Listed by the USPTO as WALCK, BRIAN D

Tech Center 1700 • Art Units: 1700 1718 1736 1738 1793

This examiner grants 59% of resolved cases

Analysis

WALCK, BRIAN D is assigned to Tech Center 1700 and Art Unit 1700, with 841 resolved cases. The allowance rate is 58.9%, and the median time to allowance is 1184 days. Interview lift is 26.7%, indicating a meaningful positive association between interviews and allowance outcomes.

NIPPON STEEL Corporation, Sumitomo Metal Mining Co., Ltd., and JFE Steel Corporation are the leading companies. BIRCH STEWART KOLASCH & BIRCH, LLP, LERNER GREENBERG STEMER LLP, and Morgan, Lewis & Bockius LLP (WA) are the leading firms. The data supports using interviews to address examination barriers, while the median timing favors early attention to claim strategy.

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

Performance Statistics

58.9%
Allow Rate
-6.1% vs TC avg
893
Total Applications
+26.7%
Interview Lift
1184
Avg Prosecution Days
Based on 841 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
17.8%
§102 Novelty
48.2%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17614397 SOFT MAGNETIC ALLOY AND MAGNETIC COMPONENT Non-Final OA TDK CORPORATION
18891392 METHOD FOR MANUFACTURING MAGNETIC CORE AND METHOD FOR MANUFACTURING COIL COMPONENT Non-Final OA Murata Manufacturing Co., Ltd.
18571720 NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME, AND MOTOR CORE Non-Final OA JFE STEEL CORPORATION
18562583 FERRITIC STAINLESS STEEL Final Rejection JFE Steel Corporation
18370534 ALLOY COMPOSITION FOR CORROSION RESISTANCE Non-Final OA APPLIED MATERIALS, INC.
18568702 SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND BONDED MAGNET, AND PRODUCTION METHODS THEREOF Non-Final OA NICHIA CORPORATION
18578652 HOT-ROLLED STEEL SHEET Final Rejection NIPPON STEEL CORPORATION
18562224 FE-BASED AMORPHOUS ALLOY AND FE-BASED AMORPHOUS ALLOY RIBBON Final Rejection NIPPON STEEL CORPORATION
17761043 METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET Non-Final OA NIPPON STEEL CORPORATION
18375764 HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTANCE AND DUCTILITY, AND METHOD FOR PRODUCING SAME Final Rejection POSCO CO., LTD
18268499 AUSTENITIC HIGH MANGANESE STEEL FOR DISC BRAKE Non-Final OA POSCO CO., LTD
18234461 CREEP RESISTANT CU-BASED CuCrNbZr ALLOY WITH HIGH THERMAL CONDUCTIVITY Final Rejection THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK
16767494 HOT-DIE NI-BASED ALLOY, HOT-FORGING DIE EMPLOYING SAME, AND FORGED-PRODUCT MANUFACTURING METHOD Non-Final OA PROTERIAL, LTD.
18789744 MICROWAVE HEAT TREATMENT METHOD FOR GRANULATED BLAST FURNACE SLAG Non-Final OA Henan Tianma New Materials Co., Ltd

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Frequently Asked Questions

What is examiner Brian D Walck's allowance rate?

58.9% of resolved applications examined by Brian D Walck were allowed (841 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Brian D Walck?

This examiner's interview lift is +26.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian D Walck take to allow a patent?

Applications allowed by Brian D Walck took 1,184 days on average from filing to allowance.

Which art unit does examiner Brian D Walck work in?

Brian D Walck examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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