Prosecution Insights
Last updated: October 25, 2026

Chelsea E. Stinson, USPTO Patent Examiner

Listed by the USPTO as STINSON, CHELSEA E.

Tech Center 3700 • Art Units: 3721 3731 3783

This examiner grants 74% of resolved cases

Analysis

Chelsea E. Stinson has managed 441 resolved cases in Art Unit 3721, achieving an allowance rate of 73.7 percent. The median time to allowance is 1225 days. Her primary corporate applicant is Pleural Dynamics Inc., with Schwegman Lundberg & Woessner, P.A. serving as the top firm.

The interview lift of 16.3 percent indicates that verbal engagement is beneficial for applicants seeking to improve their odds of success. This positive lift suggests that interviews help resolve technical or legal hurdles more effectively than written correspondence alone. The 1225-day median pendency highlights the importance of using such tools in Tech Center 3700.

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

Performance Statistics

73.7%
Allow Rate
+3.7% vs TC avg
444
Total Applications
+16.3%
Interview Lift
1225
Avg Prosecution Days
Based on 441 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
20.1%
§102 Novelty
52.1%
§103 Obviousness
23.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17967984 AUTOMATIC PLEURAL-PERITONAL PUMP Non-Final OA Pleural Dynamics, Inc.

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Frequently Asked Questions

What is examiner Chelsea E. Stinson's allowance rate?

73.7% of resolved applications examined by Chelsea E. Stinson were allowed (441 resolved cases), compared with 0.0% across Art Unit 3721 over the last five years.

Does an interview help with examiner Chelsea E. Stinson?

This examiner's interview lift is +16.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chelsea E. Stinson take to allow a patent?

Applications allowed by Chelsea E. Stinson took 1,225 days on average from filing to allowance.

Which art unit does examiner Chelsea E. Stinson work in?

Chelsea E. Stinson examines applications in Art Unit 3721 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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