Prosecution Insights
Last updated: October 26, 2026

Helene Catherine Brown, USPTO Patent Examiner

Listed by the USPTO as BROWN, HELENE CATHERINE

Tech Center 3700 • Art Units: 3737 3768 3786 3793 3796 3797

This examiner grants 52% of resolved cases

Analysis

BROWN, HELENE CATHERINE is assigned to Tech Center 3700 and Art Unit 3737. The record contains 574 resolved cases, an allowance rate of 51.9%, and a median of 1793 days to allowance. Interviews show a 30.5% lift, making interview preparation a substantial consideration in a docket that also reflects extended prosecution timing.

The listed companies are Stryker Corporation, Ectosense NV, and Apple Inc. The leading firms are Botos Churchill IP Law LLP-RMD, Lerner David LLP, and F. CHAU & ASSOCIATES, LLC. These organizations identify representative medical and technology activity, while the allowance and timing figures support early planning for claim development and response sequencing.

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

Performance Statistics

51.9%
Allow Rate
-18.1% vs TC avg
604
Total Applications
+30.5%
Interview Lift
1793
Avg Prosecution Days
Based on 574 resolved cases, 2023–2026

Rejection Statute Breakdown

6.9%
§101 Eligibility
16.0%
§102 Novelty
48.1%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18134436 PPG Sensor Having Light Arrival Angle Control at Detector Non-Final OA Apple Inc.
19022357 Stereotactic Computer Assisted Surgery Method and System Non-Final OA Stryker European Operations Holdings LLC
18121727 Stereotactic Computer Assisted Surgery Method and System Final Rejection Stryker European Operations Holdings LLC
18968536 DISPLAY DEVICE INCLUDING BIOMETRIC INFORMATION MEASUREMENT AREAS Non-Final OA SAMSUNG DISPLAY CO., LTD.
18864998 DEVICES, METHODS, AND SYSTEMS FOR IMPROVED PLANNING AND GUIDANCE IN LASER FENESTRATION APPLICATIONS Non-Final OA KONINKLIJKE PHILIPS N.V.
17136596 SYSTEMS, METHODS, AND PROCESSES FOR DETECTING ELECTRODE WIRE NOISE Final Rejection Biosense Webster (Israel) Ltd.

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Frequently Asked Questions

What is examiner Helene Catherine Brown's allowance rate?

51.9% of resolved applications examined by Helene Catherine Brown were allowed (574 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Helene Catherine Brown?

This examiner's interview lift is +30.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Helene Catherine Brown take to allow a patent?

Applications allowed by Helene Catherine Brown took 1,793 days on average from filing to allowance.

Which art unit does examiner Helene Catherine Brown work in?

Helene Catherine Brown examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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