Prosecution Insights
Last updated: October 27, 2026

Tanya Christine Sienko, USPTO Patent Examiner

Listed by the USPTO as SIENKO, TANYA CHRISTINE

Tech Center 3600 • Art Units: 3661 3664

This examiner grants 86% of resolved cases

Analysis

SIENKO, TANYA CHRISTINE works in tech center 3600 and art unit 3661. The profile shows 215 resolved cases, an allowance rate of 86.5%, and a median of 869 days to allowance. The 12.4% interview lift is modest relative to the allowance rate as a percentage measure. The 869-day median provides a separate timing consideration for applicants pursuing allowance.

The listed companies are Jaguar Land Rover Limited, Huawei Technologies Co., Ltd., and Panasonic Holdings Corporation. The leading firms are TROUTMAN PEPPER LOCKE LLP, FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, and K&L Gates LLP - Wabtec. Counsel in art unit 3661 can use the company and firm relationships to identify relevant experience while assessing a high observed allowance rate.

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

Performance Statistics

86.5%
Allow Rate
+34.5% vs TC avg
234
Total Applications
+12.4%
Interview Lift
869
Avg Prosecution Days
Based on 215 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
16.6%
§102 Novelty
48.4%
§103 Obviousness
22.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19301347 Motion Control Method and Motion Device Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19301313 CONTROL METHOD, CONTROL DEVICE, ELECTRIC VEHICLE, AND RECORDING MEDIUM Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19176023 MOBILE BODY CONTROL DEVICE, MOBILE BODY CONTROL METHOD, MOBILE BODY, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA HONDA MOTOR CO., LTD.
18961219 VEHICLE CONTROL SYSTEM AND METHOD Non-Final OA Transportation IP Holdings, LLC
18910269 CLUSTERING EVENT INFORMATION FOR VEHICLE NAVIGATION Final Rejection Mobileye Vision Technologies Ltd.

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Frequently Asked Questions

What is examiner Tanya Christine Sienko's allowance rate?

86.5% of resolved applications examined by Tanya Christine Sienko were allowed (215 resolved cases), compared with 77.3% across Art Unit 3661 over the last five years.

Does an interview help with examiner Tanya Christine Sienko?

This examiner's interview lift is +12.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tanya Christine Sienko take to allow a patent?

Applications allowed by Tanya Christine Sienko took 869 days on average from filing to allowance.

Which art unit does examiner Tanya Christine Sienko work in?

Tanya Christine Sienko examines applications in Art Unit 3661 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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