Prosecution Insights
Last updated: October 01, 2026

Examiner: WUNDERLICH, ERWIN J

Tech Center 3700 • Art Units: 1792 3761

This examiner grants 42% of resolved cases

Analysis

Erwin J Wunderlich works in Art Unit 1792 within Tech Center 3700 and has handled 220 resolved cases. The examiner's allowance rate is 42.3 percent, indicating a rigorous examination process where a minority of the applications reach allowance. This rate suggests that applicants must be prepared for significant pushback and multiple rounds of prosecution.

The interview lift is 40.2 percent, which is a substantial increase that demonstrates the value of direct communication. This lift is nearly as high as the 42.3 percent base allowance rate, suggesting that interviews are a vital tool for success. Practitioners should prioritize interviews to clarify technical points and overcome the challenges presented by the 220 resolved cases.

The median days to allowance is 1366, reflecting a long prosecution timeline for reaching a grant. This duration, combined with the 42.3 percent allowance rate, indicates a difficult path to grant. Applicants should use the 40.2 percent interview lift to navigate the 1366-day median pendency more effectively in Tech Center 3700.

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

Performance Statistics

42.3%
Allow Rate
-27.7% vs TC avg
290
Total Applications
+40.2%
Interview Lift
1366
Avg Prosecution Days
Based on 220 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
12.6%
§102 Novelty
51.5%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17753072 LASER METAL DEPOSITION SYSTEM Final Rejection SAFRAN AIRCRAFT ENGINES
18526458 COOKING APPLIANCE Non-Final OA LG ELECTRONICS INC.
18266925 COOKING APPLIANCE Final Rejection 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.
17119742 METHOD FOR MANUFACTURING ELECTRONIC APPARATUS Non-Final OA Samsung Display Co., Ltd.
18582376 HYBRID WELDING SYSTEMS AND HYBRID WELDING POWER SUPPLIES Non-Final OA Illinois Tool Works Inc.
17738203 ENERGY STORAGE CADDY FOR WELDING SYSTEM Final Rejection 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.
17871038 METHOD FOR THE MEDIA-TIGHT CONNECTION OF TWO PLATE-SHAPED COMPONENTS Final Rejection Robert Bosch GmbH
17279112 HAIR STYLING USING DIELECTRIC HEATING Final Rejection KONINKLIJKE PHILIPS N.V.
17645206 APPARATUS AND METHOD FOR RESISTIVE IMPLANT WELDING OF REINFORCED THERMOSETTING RESIN PIPE JOINTS IN A SINGLE STEP PROCESS Non-Final OA SAUDI ARABIAN OIL COMPANY
17878624 LAYERED MANUFACTURING OF SINGLE CRYSTAL ALLOY COMPONENTS Non-Final OA General Electric Company
18561884 THERMAL MANAGEMENT CONTROL SYSTEM AND METHODS FOR HEATING A BED OF A HYBRID HAUL TRUCK Non-Final OA CUMMINS INC.
18266980 IRRADIATION STRATEGY IN ADDITIVE MANUFACTURING WITH PULSED IRRADIATION Final Rejection Siemens Energy Global GmbH & Co. KG
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
18267628 HOUSEHOLD APPLIANCE AND METHOD FOR ASSEMBLING A HOUSEHOLD APPLIANCE Final Rejection ELECTROLUX APPLIANCES AKTIEBOLAG
18517100 BIPOLAR PLATE FOR A FUEL CELL AND PROCESS FOR WELDING A BIPOLAR PLATE Non-Final OA TRUMPF Laser- und Systemtechnik GmbH
18149169 MANUFACTURING DEVICE FOR ADDITIVE MANUFACTURING OF COMPONENT PARTS FROM A POWDER MATERIAL, METHOD FOR CHANGING A BEAM PROFILE OF AN ENERGY BEAM, AND USE OF AT LEAST ONE ACOUSTO-OPTIC DEFLECTOR Non-Final OA TRUMPF Laser- und Systemtechnik GmbH
17878310 METHODS AND LASER WELDING DEVICES FOR DEEP WELDING A WORKPIECE Non-Final OA TRUMPF Laser- und Systemtechnik GmbH
17879870 MACHINE ARRANGEMENT AND MECHANICAL METHOD FOR MANUFACTURING SHEET METAL Non-Final OA TRUMPF Werkzeugmaschinen SE + Co. KG
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
18023416 HEATABLE KITCHEN DEVICE Final Rejection BREVILLE PTY LIMITED
18634874 HEATER, FIXING DEVICE, IMAGE-FORMING DEVICE, AND HEATING DEVICE Non-Final OA Misuzu Industry Co., Ltd.
17578611 MATERIAL CONVERSION APPARATUS Final Rejection ELEMENTAL INDUCTION, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month