Prosecution Insights
Last updated: October 26, 2026

Simpson Abraham Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, SIMPSON ABRAHAM

Tech Center 3700 • Art Units: 3700 3761

This examiner grants 62% of resolved cases

Analysis

CHEN, SIMPSON ABRAHAM is a USPTO patent examiner in tech center 3700 and art unit 3700. The record includes 195 resolved cases, an allowance rate of 62.1%, and a median of 1269 days to allowance. The interview lift is 42.4%, indicating a substantial positive association between interviews and allowance outcomes.

The listed companies are Nestlé S.A., LG Electronics Inc., and JFE Steel Corporation. The listed firms are THORPE NORTH & WESTERN, LLP., BIRCH STEWART KOLASCH & BIRCH, LLP, and Buchanan Ingersoll & Rooney PC. Practitioners may wish to emphasize interview preparation while accounting for the recorded allowance level and median timing.

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

Performance Statistics

62.1%
Allow Rate
-7.9% vs TC avg
243
Total Applications
+42.4%
Interview Lift
1269
Avg Prosecution Days
Based on 195 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
15.7%
§102 Novelty
52.2%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18687056 COOKING APPLIANCE Non-Final OA LG ELECTRONICS INC.
18276533 INDUCTION HEATING-TYPE COOKTOP Final Rejection LG ELECTRONICS INC.
18326564 HOME APPLIANCE AND POWER TRANSMISSION APPARATUS FOR DETECTING EMPTY HEATING Non-Final OA Samsung Electronics Co., Ltd.
18560750 LASER SOLDERING APPARATUS, CONTROL APPARATUS, AND LASER SOLDERING METHOD Non-Final OA SONY GROUP CORPORATION
18285484 HEATER Non-Final OA Dyson Technology Limited
18720935 BEVERAGE POD SYSTEM WITH POD CATCHER Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18720962 BEVERAGE POD SYSTEM WITH IMPROVED SEAL Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18720991 BEVERAGE POD SYSTEM WITH POD EJECTOR Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18276488 LASER CUTTING METHOD, LASER CUTTING FACILITY, AND COLD ROLLING METHOD FOR STEEL STRIP, AND METHOD OF MANUFACTURING COLD ROLLED STEEL STRIP Final Rejection JFE Steel Corporation
18267568 LASER WELDING METHOD AND LASER WELDING APPARATUS FOR Si-CONTAINING STEEL SHEETS Final Rejection JFE Steel Corporation
17932041 WELDING METHOD AND WELDING APPARATUS Final Rejection FURUKAWA ELECTRIC CO., LTD.
17478842 Site-Specific Melt Pool Size Control in Additive Manufacturing Non-Final OA UT-Battelle, LLC

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Frequently Asked Questions

What is examiner Simpson Abraham Chen's allowance rate?

62.1% of resolved applications examined by Simpson Abraham Chen were allowed (195 resolved cases), compared with 66.1% across Art Unit 3700 over the last five years.

Does an interview help with examiner Simpson Abraham Chen?

This examiner's interview lift is +42.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Simpson Abraham Chen take to allow a patent?

Applications allowed by Simpson Abraham Chen took 1,269 days on average from filing to allowance.

Which art unit does examiner Simpson Abraham Chen work in?

Simpson Abraham Chen examines applications in Art Unit 3700 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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