Prosecution Insights
Last updated: October 27, 2026

Darby Margaret Thomason, USPTO Patent Examiner

Listed by the USPTO as THOMASON, DARBY MARGARET

Tech Center 2800 • Art Units: 2874

This examiner grants 76% of resolved cases

Analysis

THOMASON, DARBY MARGARET is a USPTO patent examiner in tech center 2800 and art unit 2874. The profile includes 33 resolved cases, an allowance rate of 75.8%, and a median of 1117 days to allowance. The reported interview lift is 25.0%.

Google LLC, Intel Corporation, and Government of the United States, as represented by the Secretary of the Air Force are the listed companies. The listed firms are OLIFF PLC, Akona IP PC - Intel, and BUCHANAN, INGERSOLL & ROONEY PC. The limited case record makes the reported outcome an emerging signal. The positive interview measure supports considering examiner interviews, while the median timing indicates that applicants should plan for sustained prosecution rather than rely on a short resolution cycle.

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

Performance Statistics

75.8%
Allow Rate
+7.8% vs TC avg
54
Total Applications
+25.0%
Interview Lift
1117
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
27.8%
§102 Novelty
46.4%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18588127 GRATINGS WITH EDGE APODIZATION FOR IMPROVED MODULATION TRANSFER FUNCTION IN WAVEGUIDES Non-Final OA GOOGLE LLC
17550520 OPEN CAVITY PHOTONIC INTEGRATED CIRCUIT AND METHOD Non-Final OA Intel Corporation
18738630 ELECTRO-OPTICAL ELEMENT, LIGHT SOURCE MODULE, OPTICAL ENGINE, AND XR GLASSES Non-Final OA TDK CORPORATION
18364332 PHOTONIC SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18836954 METHOD AND INTERMEDIATE PRODUCT FOR PRODUCING A MULTI-CORE FIBRE WITH A MARKER Non-Final OA HERAEUS QUARZGLAS GMBH & CO. KG

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Frequently Asked Questions

What is examiner Darby Margaret Thomason's allowance rate?

75.8% of resolved applications examined by Darby Margaret Thomason were allowed (33 resolved cases), compared with 78.9% across Art Unit 2874 over the last five years.

Does an interview help with examiner Darby Margaret Thomason?

This examiner's interview lift is +25.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Darby Margaret Thomason take to allow a patent?

Applications allowed by Darby Margaret Thomason took 1,117 days on average from filing to allowance.

Which art unit does examiner Darby Margaret Thomason work in?

Darby Margaret Thomason examines applications in Art Unit 2874 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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