Prosecution Insights
Last updated: October 26, 2026

Erwin J Wunderlich, USPTO Patent Examiner

Listed by the USPTO as WUNDERLICH, ERWIN J

Tech Center 3700 • Art Units: 1747 1792 3761

This examiner grants 43% of resolved cases

Analysis

WUNDERLICH, ERWIN J works in tech center 3700 and art unit 1747. Across 224 resolved cases, the allowance rate is 42.9%. The median time to allowance is 1373 days, indicating that applicants should plan for extended examination and consider preserving alternative claim positions.

The interview lift is 40.4%, making interviews a significant prosecution consideration in this record. The leading companies are Illinois Tool Works Inc., Samsung Electronics Co., Ltd., and LG Electronics Inc. The leading firms are CARR & FERRELL LLP, Chrisman Gallo Tochtrop LLC, and Dority & Manning, P.A. and Haier US Appliance.

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

Performance Statistics

42.9%
Allow Rate
-27.1% vs TC avg
305
Total Applications
+40.4%
Interview Lift
1373
Avg Prosecution Days
Based on 224 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
12.6%
§102 Novelty
50.3%
§103 Obviousness
32.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17753072 LASER METAL DEPOSITION SYSTEM Final Rejection SAFRAN AIRCRAFT ENGINES
18828088 INDUCTION HEATING DEVICE HAVING IMPROVED ASSEMBLABILITY AND COOLING PERFORMANCE Non-Final OA LG Electronics Inc.
18528263 COOKING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18200155 COOKING APPARATUS TOP PLATE, PROCESSING METHOD OF GLASS CERAMIC SUBSTRATE, AND APPARATUS INCLUDING SAME Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17740494 APPARATUS FOR SUBSTRATE DICING AND METHOD THEROF Non-Final OA Samsung Electronics Co., Ltd.
17871038 METHOD FOR THE MEDIA-TIGHT CONNECTION OF TWO PLATE-SHAPED COMPONENTS Final Rejection Robert Bosch GmbH
17119742 METHOD FOR MANUFACTURING ELECTRONIC APPARATUS Non-Final OA Samsung Display Co., Ltd.
18251395 CONTROL DEVICE, CONTROL METHOD, AND PROGRAM Non-Final OA SONY GROUP CORPORATION
18582376 HYBRID WELDING SYSTEMS AND HYBRID WELDING POWER SUPPLIES Non-Final OA Illinois Tool Works Inc.
17582894 Multiple Position Wire Feed Spool Delivery System Final Rejection Illinois Tool Works Inc.
16842251 METHODS AND APPARATUS TO PROVIDE WELDING-TYPE POWER AND PREHEATING POWER Final Rejection Illinois Tool Works Inc.
16737636 SYSTEMS AND METHODS WITH INTEGRATED SWITCH FOR CONTROLLED SHORT CIRCUIT WELDING PROCESSES Non-Final OA Illinois Tool Works Inc.
17279112 HAIR STYLING USING DIELECTRIC HEATING Final Rejection KONINKLIJKE PHILIPS N.V.
17878624 LAYERED MANUFACTURING OF SINGLE CRYSTAL ALLOY COMPONENTS Non-Final OA General Electric Company
18277493 Aerosol Generation Device with Light Emitting Indicator Final Rejection JT International SA
18670970 COOKING APPLIANCE WITH BROWNING ASSISTANCE MONITOR Non-Final OA WHIRLPOOL CORPORATION
17418419 METHOD FOR ASSESSING DEPENDENCE OF LASER MACHINING ON LASER LIGHT INTENSITY, AND LASER MACHINING DEVICE Non-Final OA THE UNIVERSITY OF TOKYO
18258828 DED NOZZLE FOR USE WITH AN AM APPARATUS AND ADAPTER DETACHABLY ATTACHABLE TO A DED NOZZLE Non-Final OA EBARA CORPORATION
17795062 LASER PROCESSING DEVICE AND LASER PROCESSING METHOD Final Rejection HAMAMATSU PHOTONICS K.K.
18090102 SYSTEMS AND METHODS FOR WELDING MOTOR STATOR HAIRPIN WIRES Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
17992317 WELDABILITY IN RESISTANCE WELDING OF STEELS WITH LARGE DIFFERENCE IN SHEET THICKNESS Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Frequently Asked Questions

What is examiner Erwin J Wunderlich's allowance rate?

42.9% of resolved applications examined by Erwin J Wunderlich were allowed (224 resolved cases), compared with 38.3% across Art Unit 1747 over the last five years.

Does an interview help with examiner Erwin J Wunderlich?

This examiner's interview lift is +40.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Erwin J Wunderlich take to allow a patent?

Applications allowed by Erwin J Wunderlich took 1,373 days on average from filing to allowance.

Which art unit does examiner Erwin J Wunderlich work in?

Erwin J Wunderlich examines applications in Art Unit 1747 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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