Prosecution Insights
Last updated: October 26, 2026

Halle Margaret Welch, USPTO Patent Examiner

Listed by the USPTO as WELCH, HALLE MARGARET

Tech Center 3700 • Art Units: 3786 3792 3796

This examiner grants 0% of resolved cases

Analysis

WELCH, HALLE MARGARET is a USPTO patent examiner in Tech Center 3700 and Art Unit 3786. The profile contains 4 resolved cases, with an allowance rate of 0.0%. The median time to allowance is 688 days, and the interview lift is 0.0%. The limited record does not support broad conclusions about prosecution behavior, but it does show that the available cases have not yet produced an allowance.

The leading companies are Medtronic Inc., Boston Scientific Corporation, and DePuy Synthes Products Inc. The leading firms are Aurora Consulting LLC, BROWN RUDNICK LLP, and Element IP, PLC. The company concentration is in medical devices. Applicants should treat the profile as preliminary, develop a carefully supported response to each rejection, and avoid relying on the limited interview measure as evidence of a favorable effect.

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

Performance Statistics

0.0%
Allow Rate
-70.0% vs TC avg
22
Total Applications
+0.0%
Interview Lift
688
Avg Prosecution Days
Based on 4 resolved cases, 2023–2026

Rejection Statute Breakdown

21.5%
§101 Eligibility
20.0%
§102 Novelty
35.4%
§103 Obviousness
23.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18435002 CONTROLLING IMPACT DIRECTION OF SURGICAL IMPACTING TOOLS Non-Final OA DePuy Synthes Products, Inc.
19106020 ELECTROCARDIOGRAM-BASED LEFT VENTRICULAR DYSFUNCTION AND EJECTION FRACTION MONITORING Non-Final OA Medtronic, Inc.
18868819 MEDICAL LEAD SYSTEM Non-Final OA MEDTRONIC, INC.

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Frequently Asked Questions

What is examiner Halle Margaret Welch's allowance rate?

0.0% of resolved applications examined by Halle Margaret Welch were allowed (4 resolved cases), compared with 50.4% across Art Unit 3786 over the last five years.

Does an interview help with examiner Halle Margaret Welch?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Halle Margaret Welch take to allow a patent?

Applications allowed by Halle Margaret Welch took 688 days on average from filing to allowance.

Which art unit does examiner Halle Margaret Welch work in?

Halle Margaret Welch examines applications in Art Unit 3786 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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