Prosecution Insights
Last updated: October 26, 2026

Richard Tan, USPTO Patent Examiner

Listed by the USPTO as TAN, RICHARD

Tech Center 3700 • Art Units: 2817 2836 2842 2843 2849 3729

This examiner grants 80% of resolved cases

Analysis

TAN, RICHARD examines in tech center 3700 and art unit 2817. The record contains 931 resolved cases, an allowance rate of 79.6%, and a median of 887 days to allowance. Interview lift is 23.0%, providing a meaningful additional indicator for prosecution planning.

The leading companies are Groq Inc., ABB Schweiz AG, and Denso Corporation. The principal firms are BRAKE HUGHES BELLERMANN LLP, Brooks Kushman P.C., and CARLSON, GASKEY & OLDS, P.C. The substantial case volume gives the profile practical reference value, while the median timing supports setting client expectations around a sustained prosecution process.

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

Performance Statistics

79.6%
Allow Rate
+9.6% vs TC avg
957
Total Applications
+23.0%
Interview Lift
887
Avg Prosecution Days
Based on 931 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
22.5%
§102 Novelty
46.7%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18822933 ELECTRICAL POWER SUPPLY SYSTEMS AND RELATED METHODS Non-Final OA ABB SCHWEIZ AG
19084035 ROAD CONSTRUCTION MACHINE WITH WIRELESS ENERGY TRANSMISSION Final Rejection JOSEPH VÖGELE AG
19123162 POWER TRANSMISSION DEVICE Final Rejection DENSO CORPORATION
19099139 IN-VEHICLE CONTROL DEVICE Non-Final OA Sumitomo Electric Industries, Ltd.
19049038 MULTI-PHASE OSCILLATORS Non-Final OA Texas Instruments Incorporated
19216744 OSCILLATOR CIRCUITS WITH FLICKER NOISE SUPPRESSION BY PHASE-SHIFTED SELF-INJECTION Final Rejection MEDIATEK INC.
19153183 POWER FEEDING DEVICE AND MEDICAL DEVICE Non-Final OA FURUKAWA ELECTRIC CO., LTD.
18013506 COIL, POWER TRANSMISSION DEVICE, POWER RECEPTION DEVICE, AND POWER TRANSMISSION SYSTEM Final Rejection DAI NIPPON PRINTING CO., LTD.
18961765 REGULATING SYSTEM FOR A TIMEPIECE Non-Final OA ROLEX SA

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Frequently Asked Questions

What is examiner Richard Tan's allowance rate?

79.6% of resolved applications examined by Richard Tan were allowed (931 resolved cases), compared with 81.7% across Art Unit 2817 over the last five years.

Does an interview help with examiner Richard Tan?

This examiner's interview lift is +23.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Richard Tan take to allow a patent?

Applications allowed by Richard Tan took 887 days on average from filing to allowance.

Which art unit does examiner Richard Tan work in?

Richard Tan examines applications in Art Unit 2817 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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