Prosecution Insights
Last updated: April 19, 2026

Examiner: WITTENBERG, STEFANIE S

Tech Center 1700 • Art Units: 1756 1759 1795

This examiner grants 54% of resolved cases

Performance Statistics

54.1%
Allow Rate
-10.9% vs TC avg
726
Total Applications
+19.3%
Interview Lift
1157
Avg Prosecution Days
Based on 667 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
17.6%
§102 Novelty
51.2%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17876477 METHOD FOR MANUFACTURING ALUMINIUM ALLOY SHEET AND ELECTRONIC DEVICE INCLUDING SAME Final Rejection Samsung Electronics Co., Ltd.
18308716 GAS RECOVERY SYSTEM Non-Final OA DENSO CORPORATION
18308713 GAS ADSORPTION SYSTEM AND METHOD OF MANUFACTURING THE SAME Non-Final OA DENSO CORPORATION
18168486 PLATING APPARATUS Final Rejection EBARA CORPORATION
18017645 LEAKAGE DETERMINATION METHOD AND PLATING APPARATUS Final Rejection EBARA CORPORATION
17923080 PLATING APPARATUS Final Rejection EBARA CORPORATION
18200939 SEMICONDUCTOR ELECTROCHEMICAL PLATING APPARATUS AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17993398 ELECTROLYSIS METHODS THAT UTILIZE CARBON DIOXIDE FOR MAKING COATED NANOCARBON ALLOTROPES Final Rejection C2CNT LLC
17945759 LITHIUM EXTRACTION THROUGH PULSED ELECTROCHEMICAL INTERCALATION METHOD Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18267130 Method for Depositing a Bronze Alloy on a Printed Circuit and Printed Circuit Obtained by Said Method Non-Final OA Linxens Holding
17971108 SYSTEM AND METHOD FOR FORMING A NOZZLE INLET OF A NOZZLE Non-Final OA Pratt & Whitney Canada Corp.
19097983 ELECTROLYTE FOR FORMING ANODIC OXIDE FILM, METHOD OF FORMING ANODIC OXIDE FILM, AND ANODIC OXIDE FILM AND MEMBER FOR SEMICONDUCTOR DEVICE MANUFACTURED THEREBY Non-Final OA KoMiCo Ltd.
18251770 A WATER ELECTROLYZER SYSTEM Non-Final OA NATIONAL UNIVERSITY OF SINGAPORE
18962461 Electrolytic Cell with Electrically Neutral and Conductive Sieve Final Rejection ClassOne Technology
17995243 ELECTROFILL FROM ALKALINE ELECTROPLATING SOLUTIONS Non-Final OA Lam Research Corporation
17660186 ELECTROFORMED HEAT EXCHANGER WITH EMBEDDED PULSATING HEAT PIPE Final Rejection Raytheon Company
18305973 ELECTROLYTIC ADDITIVE MANUFACTURING SYSTEM Non-Final OA Seagate Technology LLC
17661430 NON-ELECTROLYTIC DEPOSITION OF ELECTRODE FOR PULSED ELECTROCHEMICAL MACHINING Final Rejection Rolls-Royce Corporation
18226130 MICROSTRUCTURAL SURFACE INCORPORATION OF PHASE CHANGE MATERIALS FOR THERMAL MANAGEMENT Non-Final OA THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY
17938679 NON-MEMBRANE DEIONIZATION AND ION-CONCENTRATING APPARATUS AND NON-MEMBRANE DEIONIZATION AND ION-CONCENTRATING MODULE Final Rejection NATIONAL TSING HUA UNIVERSITY
18254783 PLATING APPARATUS AND PLATING METHOD Non-Final OA ACM RESEARCH (SHANGHAI), INC.
17907053 PLATING APPARATUS AND PLATING METHOD Final Rejection ACM Research (Shanghai) Inc.
18731640 APPARATUS AND METHODS FOR CONTROLLED ELECTROCHEMICAL SURFACE MODIFICATION Final Rejection Manufacturing Systems Limited
17436745 COPPER ELECTROWINNING PROCESS Final Rejection UMICORE
18704222 DEVICE AND METHOD FOR ELECTROLYTIC TREATMENT OF SUBSTRATES Non-Final OA MECO EQUIPMENT ENGINEERS B.V.
18061048 FOULANT RESISTANT SURFACES FOR PHASE CHANGE HEAT Non-Final OA UChicago Argonne, LLC
18162971 METHOD OF FILLING THROUGH-HOLES TO REDUCE VOIDS Final Rejection Rohm and Haas Electronic Materials LLC
18266796 THREE-DIMENSIONAL PRINTING DEVICE USING SELECTIVE ELECTROCHEMICAL DEPOSITION Non-Final OA ANYCASTING CO., LTD.
18037157 PLATING DEVICE Non-Final OA MITOMO SEMICON ENGINEERING CO., LTD.
18132246 APPARATUS FOR MANUFACTURING COPPER FOIL Non-Final OA SK NEXILIS CO., LTD.

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