Prosecution Insights
Last updated: October 26, 2026

Stuart L Hendrickson, USPTO Patent Examiner

Listed by the USPTO as HENDRICKSON, STUART L

Tech Center 1700 • Art Units: 1736 1761 1793

This examiner grants 72% of resolved cases

Analysis

HENDRICKSON, STUART L works in tech center 1700 and art unit 1736. The record contains 1,007 resolved cases and reports an allowance rate of 72.4%. The median time to allowance is 1,138 days, and the interview lift is 8.1%. The figures show a meaningful allowance rate with a limited reported interview effect.

Sekisui Chemical Co., Ltd., W. R. Grace & Co.-conn., and Panasonic Holdings Corporation are the represented companies. The listed firms are WENDEROTH, LIND & PONACK, L.L.P., Davidson Kappel LLC, and DORITY & MANNING, P.A. & W. R. Grace & Co.-Conn. Practitioners may emphasize precise written claim analysis and use interviews selectively to address discrete prosecution questions.

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

Performance Statistics

72.4%
Allow Rate
+7.4% vs TC avg
1,043
Total Applications
+8.1%
Interview Lift
1138
Avg Prosecution Days
Based on 1007 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.2%
§102 Novelty
43.5%
§103 Obviousness
27.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18552398 GRAPHITE SHEET AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18456174 METHOD FOR CONVERTING RUBBER WASTE TO FUNCTIONALIZED ACTIVATED CARBON Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18346761 FULLERENE DERIVATIVES AND PEROVSKITE SOLAR BATTERIES Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18591526 SYSTEMS FOR HEAT PRESERVATION DURING HYDROGENATION AND DEHYDROGENATION Non-Final OA CHEVRON U.S.A. INC.
18569450 RECOVERY OF A RENEWABLE HYDROGEN PRODUCT FROM AN AMMONIA CRACKING PROCESS Non-Final OA Air Products and Chemicals, Inc.

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Frequently Asked Questions

What is examiner Stuart L Hendrickson's allowance rate?

72.4% of resolved applications examined by Stuart L Hendrickson were allowed (1,007 resolved cases), compared with 62.6% across Art Unit 1736 over the last five years.

Does an interview help with examiner Stuart L Hendrickson?

This examiner's interview lift is +8.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stuart L Hendrickson take to allow a patent?

Applications allowed by Stuart L Hendrickson took 1,138 days on average from filing to allowance.

Which art unit does examiner Stuart L Hendrickson work in?

Stuart L Hendrickson examines applications in Art Unit 1736 in Tech Center 1700 (Chemistry & Materials).

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