Prosecution Insights
Last updated: October 26, 2026

Stefanie S Wittenberg, USPTO Patent Examiner

Listed by the USPTO as WITTENBERG, STEFANIE S

Tech Center 1700 • Art Units: 1723 1756 1759 1788 1795

This examiner grants 55% of resolved cases

Analysis

WITTENBERG, STEFANIE S has resolved 698 cases in tech center 1700 and art unit 1723. The allowance rate is 54.6%, and the median time to allowance is 1132 days. The interview lift is 17.6%, providing a positive association that may support interview planning.

The listed companies are Toyota Motor Corporation, Denso Corporation, and Applied Materials Inc. The listed firms are HARNESS DICKEY (DETROIT), SoraIP, Inc., and BakerHostetler. The profile combines a moderate allowance rate with an extended timeline, so practitioners may want to assess interview timing and claim scope early in prosecution.

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

Performance Statistics

54.6%
Allow Rate
-10.4% vs TC avg
763
Total Applications
+17.6%
Interview Lift
1132
Avg Prosecution Days
Based on 698 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
14.3%
§102 Novelty
52.3%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18488303 WATER ELECTROLYSIS CELL STACK AND METHOD FOR MANUFACTURING THE SAME Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18466334 WATER ELECTROLYSIS SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18619372 CARBON DIOXIDE RECOVERY SYSTEM Non-Final OA DENSO CORPORATION
18318757 CARBON DIOXIDE RECOVERY SYSTEM Non-Final OA DENSO CORPORATION
17995243 ELECTROFILL FROM ALKALINE ELECTROPLATING SOLUTIONS Final Rejection Lam Research Corporation
18483957 ELECTROPLATING CHAMBER USING JET ARRAY TO ENABLE HIGH MASS-TRANSFER Non-Final OA Applied Materials, Inc.
18160109 SURGING FLOW FOR BUBBLE CLEARING IN ELECTROPLATING SYSTEMS Final Rejection Applied Materials, Inc.
18200939 SEMICONDUCTOR ELECTROCHEMICAL PLATING APPARATUS AND METHOD Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
17923080 PLATING APPARATUS Non-Final OA EBARA CORPORATION
18557948 SOLID OXIDE ELECTROCHEMICAL CELL AND METHOD FOR PRODUCING SAME Non-Final OA KYOTO UNIVERSITY

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Frequently Asked Questions

What is examiner Stefanie S Wittenberg's allowance rate?

54.6% of resolved applications examined by Stefanie S Wittenberg were allowed (698 resolved cases), compared with 60.0% across Art Unit 1723 over the last five years.

Does an interview help with examiner Stefanie S Wittenberg?

This examiner's interview lift is +17.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stefanie S Wittenberg take to allow a patent?

Applications allowed by Stefanie S Wittenberg took 1,132 days on average from filing to allowance.

Which art unit does examiner Stefanie S Wittenberg work in?

Stefanie S Wittenberg examines applications in Art Unit 1723 in Tech Center 1700 (Chemistry & Materials).

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