Prosecution Insights
Last updated: October 02, 2026

Examiner: HENDRICKSON, STUART L

Tech Center 1700 • Art Units: 1736 1793

This examiner grants 72% of resolved cases

Analysis

Stuart L. Hendrickson is an examiner in Tech Center 1700 and Art Unit 1736, where 1003 resolved cases have been processed. The allowance rate for these applications is 72.3 percent. This rate provides a baseline for the probability of allowance for cases assigned to this examiner. Understanding this 72.3 percent outcome is a factor for setting expectations during prosecution.

The interview lift is 8.0 percent. This figure indicates the change in allowance probability when an interview is conducted compared to the baseline. For practitioners, this 8.0 percent suggests that direct communication is a tool to consider in Art Unit 1736. The data indicates how the examiner responds to verbal advocacy among the 1003 resolved cases. Engaging in such dialogue is a factor in navigating the prosecution requirements of this art unit.

The median days to allowance is 1137. This timeline represents the typical duration from filing to an allowed outcome. When planning for prosecution, practitioners should factor in this 1137-day period. These metrics offer a data-grounded perspective on the prosecution environment in Tech Center 1700. This information allows for an informed approach to managing applications under this examiner's review.

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

Performance Statistics

72.3%
Allow Rate
+7.3% vs TC avg
1,024
Total Applications
+8.0%
Interview Lift
1137
Avg Prosecution Days
Based on 1003 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.0%
§102 Novelty
43.5%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18694416 METHOD FOR RECOVERING LITHIUM PRECURSOR FROM LITHIUM SECONDARY BATTERY Non-Final OA SK INNOVATION CO., LTD.
18646475 DYNAMIC DIALYSIS AS SCALABLE MANUFACTURING OF PURIFIED SURFACE ACTIVE MULTI-COMPONENT NANOPARTICLE PRODUCTION Non-Final OA UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
18254757 CARBON BLACK, SLURRY, AND LITHIUM ION SECONDARY BATTERY Non-Final OA Denka Company Limited
18251427 MODIFIED CARBON-BASED MATERIALS Non-Final OA YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD
18569450 RECOVERY OF A RENEWABLE HYDROGEN PRODUCT FROM AN AMMONIA CRACKING PROCESS Non-Final OA Air Products and Chemicals, Inc.
18580633 FERRIC PHOSPHATE, PREPARATION METHOD THEREOF, AND USE THEREOF Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.

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