Prosecution Insights
Last updated: October 27, 2026

Jennifer N Welch, USPTO Patent Examiner

Listed by the USPTO as WELCH, JENNIFER N

Tech Center 4100 • Art Units: 2100 2125 2126 2141 2143 2145 2147 2148 2187 2195

This examiner grants 74% of resolved cases

Analysis

WELCH, JENNIFER N is a USPTO patent examiner in Tech Center 4100 and Art Unit 2100. The record includes 358 resolved cases and a 74.3% allowance rate. The median time to allowance is 1598 days. Interviews have a 28.3% lift, indicating that examiner discussion can improve outcomes despite a lengthy overall timeline. Applicants should account for the extended path to allowance when setting budgets, continuation plans, and client expectations.

The listed companies are International Business Machines Corporation and Mitsubishi Electric Corporation. The leading firms are Harrity & Harrity, LLP and BIRCH STEWART KOLASCH & BIRCH, LLP. The company mix is concentrated in large-scale computing and electrical technology. Practitioners can pair a favorable allowance baseline with disciplined interview preparation and a written record that preserves the technical rationale for any claim amendments.

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

Performance Statistics

74.3%
Allow Rate
+14.3% vs TC avg
368
Total Applications
+28.3%
Interview Lift
1598
Avg Prosecution Days
Based on 358 resolved cases, 2023–2026

Rejection Statute Breakdown

17.9%
§101 Eligibility
16.0%
§102 Novelty
39.6%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17965324 INFERENCE DEVICE, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND INFERENCE METHOD USING A KNOWLEDGE BASE Final Rejection MITSUBISHI ELECTRIC CORPORATION
17808143 COMPOSING A MACHINE LEARNING MODEL FOR COMPLEX DATA SOURCES Non-Final OA International Business Machines Corporation
17495394 METHOD FOR ENRICHED TRAINING BY USING PREDICTED FEATURES OBTAINED FROM MULTIPLE MODELS Non-Final OA International Business Machines Corporation
17442403 AUTOMATIC EXTRACTION OF ASSETS DATA FROM ENGINEERING DATA SOURCES Non-Final OA Schneider Electric Systems USA, Inc.

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Frequently Asked Questions

What is examiner Jennifer N Welch's allowance rate?

74.3% of resolved applications examined by Jennifer N Welch were allowed (358 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner Jennifer N Welch?

This examiner's interview lift is +28.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jennifer N Welch take to allow a patent?

Applications allowed by Jennifer N Welch took 1,598 days on average from filing to allowance.

Which art unit does examiner Jennifer N Welch work in?

Jennifer N Welch examines applications in Art Unit 2100 in Tech Center 4100.

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