Prosecution Insights
Last updated: October 26, 2026

Thaddeus B Cox, USPTO Patent Examiner

Listed by the USPTO as COX, THADDEUS B

Tech Center 3700 • Art Units: 3637 3735 3791

This examiner grants 77% of resolved cases

Analysis

COX, THADDEUS B is assigned to USPTO Technology Center 3700 and art unit 3637. He has 1181 resolved cases, a 77.0% allowance rate, and an 18.9% interview lift. The median time to allowance is 1027 days. The volume provides a broad basis for reviewing prosecution outcomes, while the interview figure supports considering examiner interviews as part of case strategy.

Boston Scientific Corporation, Hytto Pte. Ltd., and Nippon Telegraph and Telephone Corporation are the leading companies in the record. The leading firms are Brake Hughes Bellermann LLP, Barron & Young PLLC, and CBM Patent Consulting, LLC. This combination identifies the technology owners and representatives most frequently associated with the examiner’s resolved matters.

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

Performance Statistics

77.0%
Allow Rate
+7.0% vs TC avg
1,231
Total Applications
+18.9%
Interview Lift
1027
Avg Prosecution Days
Based on 1181 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
21.2%
§102 Novelty
32.4%
§103 Obviousness
32.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19707585 SEXUAL STIMULATION DEVICE Non-Final OA HYTTO PTE. LTD.
19534286 SEXUAL STIMULATION DEVICE Final Rejection HYTTO PTE. LTD
18499094 FLEXIBLE STIMULATING DEVICE Final Rejection HYTTO PTE. LTD.
18437356 MEDICAL DEVICES, SYSTEMS, AND RELATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
18523004 ANCHOR DEVICES, SYSTEMS, AND METHODS FOR NON-ADHERENT ANATOMICAL STRUCTURES Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18311501 INFLATABLE PENILE PROSTHESIS HAVING A CYLINDER WITH A CORE MEMBER Final Rejection Boston Scientific Scimed, Inc.
17658182 INFLATABLE PENILE PROSTHESIS WITH A STRUCTURED CYLINDER Final Rejection Boston Scientific Scimed, Inc.
18681017 SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND PROGRAM Non-Final OA NTT, Inc.
18505840 MEDICAL TREATMENT FACILITY WITH RING GANTRY AND ROTATABLE PATIENT COUCH Final Rejection Siemens Healthineers AG

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Frequently Asked Questions

What is examiner Thaddeus B Cox's allowance rate?

77.0% of resolved applications examined by Thaddeus B Cox were allowed (1,181 resolved cases), compared with 59.8% across Art Unit 3637 over the last five years.

Does an interview help with examiner Thaddeus B Cox?

This examiner's interview lift is +18.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thaddeus B Cox take to allow a patent?

Applications allowed by Thaddeus B Cox took 1,027 days on average from filing to allowance.

Which art unit does examiner Thaddeus B Cox work in?

Thaddeus B Cox examines applications in Art Unit 3637 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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