Prosecution Insights
Last updated: October 02, 2026

Examiner: LIETHEN, KURT PHILIP

Tech Center 3700 • Art Units: 3661 3747

This examiner grants 80% of resolved cases

Analysis

Kurt Philip Liethen serves in Tech Center 3700 and Art Unit 3661. He has handled 455 resolved cases. The allowance rate for these cases is 79.6 percent. This figure indicates the proportion of applications that result in a patent grant. The interview lift is 9.5 percent. This metric represents the increase in the probability of allowance when an interview is conducted. The median time to allowance is 814 days.

With 455 resolved cases, the 79.6 percent allowance rate suggests a consistent approach to examination. The 9.5 percent interview lift indicates that verbal communication has a modest impact on outcomes. The 814 days median time to allowance is a key figure for understanding the expected duration of prosecution. These statistics help practitioners navigate the specific requirements of Art Unit 3661. The allowance rate and interview lift are the primary indicators of success for this examiner in Tech Center 3700.

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

Performance Statistics

79.6%
Allow Rate
+9.6% vs TC avg
481
Total Applications
+9.5%
Interview Lift
814
Avg Prosecution Days
Based on 455 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
20.7%
§102 Novelty
57.5%
§103 Obviousness
17.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19000241 COLLISION MODE PREDICTION DEVICE AND OCCUPANT PROTECTANT SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19267294 VEHICLE CONTROL METHOD WITH STEERING ANGLE CORRECTION Non-Final OA ZF CV Systems Global GmbH
18541276 SYSTEM AND METHODS FOR DELIVERING FUELING PLANS Non-Final OA Adeia Guides Inc.
18775037 SYSTEM AND METHOD FOR PARKING CONTROL OF VEHICLE Final Rejection Kia Corporation
18862901 SUSPENSION SYSTEM WITH HOLD CONTROL Non-Final OA JAGUAR LAND ROVER LIMITED
18994188 CONTROL METHOD FOR VEHICLE AND DEVICE Non-Final OA NISSAN MOTOR CO., LTD.
18747911 INTEGRATED BRAKING INTERFACE DEVICE Final Rejection Infineon Technologies AG
19064949 METHOD AND SYSTEM FOR CONTROLLING VEHICLE IN CASE OF REDUCTION IN RELIABILITY OF LANE INFORMATION Non-Final OA HL Klemove Corp.
18229852 APPARATUS FOR DRIVING ASSISTANCE, VEHICLE INCLUDING THE SAME, AND METHOD FOR DRIVING ASSISTANCE Non-Final OA HL Klemove Corp.
18982376 CONTROL OF VEHICLE AERODYNAMIC ASSEMBLY HAVING PASSIVE DEPLOYMENT MECHANISM Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
19014881 MODELED DYNAMICS LOW SPEED STEERING ANGLE LEARNING Non-Final OA Steering Solutions IP Holding Corporation

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