Prosecution Insights
Last updated: October 26, 2026

Derek James Rhoades, USPTO Patent Examiner

Listed by the USPTO as RHOADES, DEREK JAMES

Tech Center 2800 • Art Units: 1637 1692 1734 1797 2813

This examiner grants 72% of resolved cases

Analysis

RHOADES, DEREK JAMES works in tech center 2800 and art unit 1637. The profile includes 83 resolved cases, a 72.3% allowance rate, and a median of 1302 days to allowance. The interview lift is 16.5%, indicating a positive association between interviews and allowance outcomes, although the limited case record counsels against treating the result as conclusive.

The listed companies are Mitotech Ltd., Wisconsin Alumni Research Foundation, and BASF SE. The listed firms are SZDC Law P.C., Adams & Reese LH, and AMIN, TUROCY & WATSON, LLP. Counsel may incorporate focused interviews into claim and response strategy. The median pendency is extended, so applicants should anticipate sustained prosecution even where interview participation improves the measured outcome.

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

Performance Statistics

72.3%
Allow Rate
+4.3% vs TC avg
112
Total Applications
+16.5%
Interview Lift
1302
Avg Prosecution Days
Based on 83 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
14.9%
§102 Novelty
42.9%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18571761 PROCESS FOR THE SYNTHESIS OF PROPARGYLIC ALCOHOL BY REACTING FORMALDEHYDE WITH ACETYLENE IN THE PRESENCE OF A HOMOGENEOUS COPPER CATALYST Non-Final OA BASF SE
18641237 MASS SPECTROMETRY-CLEAVABLE HALOACETAMIDE-BASED CROSS-LINKERS AND USES THEREOF Non-Final OA The Regents of the University of California
18264068 SUBSTITUTED (2-HETEROARYLOXYPHENYL)SULFONATES, SALTS THEREOF AND THEIR USE AS HERBICIDAL AGENTS Non-Final OA Bayer Aktiengesellschaft
17920337 PROCESS FOR THE PREPARATION OF OMEGA-ALKANEDIOL MONONITRATE Non-Final OA DSM IP ASSETS B.V.
18575857 CATALYST FOR SYNTHESIZING LIQUEFIED PETROLEUM GAS AND METHOD FOR PRODUCING LIQUEFIED PETROLEUM GAS Non-Final OA FURUKAWA ELECTRIC CO., LTD.
18707175 METHOD AND APPARATUS FOR RECOVERING UNREACTED MONOMER Non-Final OA HANWHA SOLUTIONS CORPORATION
18180213 Platinum complexes having benzyl-based diphosphine ligands for the catalysis of the alkoxycarbonylation of ethylenically unsaturated compounds Non-Final OA EVONIK OPERATIONS GMBH
18695646 GRADE-DEPENDENT DEPOLYMERIZATION PROCESS AND ITS USE FOR RECYCLING PLASTICS Non-Final OA ARKEMA FRANCE
18573448 CONTINUOUS FLOW PROCESS FOR PRODUCTION OF CATIONIC LIPIDS Non-Final OA Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

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Frequently Asked Questions

What is examiner Derek James Rhoades's allowance rate?

72.3% of resolved applications examined by Derek James Rhoades were allowed (83 resolved cases), compared with 45.4% across Art Unit 1637 over the last five years.

Does an interview help with examiner Derek James Rhoades?

This examiner's interview lift is +16.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Derek James Rhoades take to allow a patent?

Applications allowed by Derek James Rhoades took 1,302 days on average from filing to allowance.

Which art unit does examiner Derek James Rhoades work in?

Derek James Rhoades examines applications in Art Unit 1637 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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