Prosecution Insights
Last updated: October 02, 2026

Examiner: SIENKO, TANYA CHRISTINE

Tech Center 3600 • Art Units: 3661 3664

This examiner grants 86% of resolved cases

Analysis

Tanya Christine Sienko works in Tech Center 3600 and Art Unit 3661. The examiner has 211 resolved cases and an allowance rate of 86.3 percent. This 86.3 percent rate indicates a strong probability of success for applicants. The data from these 211 resolved cases provides a clear view of the examiner's typical procedural outcomes.

The interview lift is 12.4 percent. This 12.4 percent lift suggests that direct communication is a useful strategy for resolving any outstanding issues. Practitioners should consider this 12.4 percent increase over the base allowance rate when deciding whether to request a formal discussion. The impact of interviews is a key component of the prosecution strategy in Tech Center 3600.

The median days to allowance is 873. This 873-day timeframe provides a clear expectation for the length of the prosecution cycle. Practitioners can use this 873-day median as a benchmark for planning their strategy in Art Unit 3661. The combination of the 86.3 percent allowance rate and the 873-day median offers a favorable environment for applicants.

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

Performance Statistics

86.4%
Allow Rate
+34.4% vs TC avg
225
Total Applications
+12.5%
Interview Lift
869
Avg Prosecution Days
Based on 214 resolved cases, 2023–2026

Rejection Statute Breakdown

11.6%
§101 Eligibility
16.1%
§102 Novelty
49.4%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19301313 CONTROL METHOD, CONTROL DEVICE, ELECTRIC VEHICLE, AND RECORDING MEDIUM Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19041672 METHOD FOR CONTROLLING WORK VEHICLE, WORK VEHICLE CONTROL PROGRAM, WORK VEHICLE CONTROL SYSTEM, AND WORK VEHICLE Non-Final OA Yanmar Holdings 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.
18651089 METHODS AND SYSTEMS FOR WORK MACHINE CONDITION MONITORING Non-Final OA DEERE & COMPANY
19242405 CONTROLLING AN ELECTRIC MACHINE TO SUPPORT DIAGNOSTIC TESTING Non-Final OA Jaguar Land Rover Limited
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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