Prosecution Insights
Last updated: October 02, 2026

Examiner: LIN, CHENG XI

Tech Center 3600 • Art Units: 3613 3615 3617

This examiner grants 85% of resolved cases

Analysis

Cheng Xi Lin serves in Tech Center 3600 and Art Unit 3613. The examiner has 331 resolved cases. The allowance rate for these cases is 84.6 percent. This high percentage indicates a strong probability of obtaining a patent grant. Practitioners can rely on this 84.6 percent rate when evaluating the strength of their applications in this art unit.

The median days to allowance is 1102. This duration is the typical time required to reach a successful conclusion in prosecution. The interview lift is 13.9 percent. This figure represents the improvement in allowance probability associated with an examiner interview. While the 84.6 percent allowance rate is already high, the 13.9 percent lift provides an additional path to success for difficult cases.

With 331 resolved cases, Lin's data shows a consistent pattern of high allowance. The 1102 median days to allowance is a critical metric for managing client expectations regarding timing. The 13.9 percent interview lift suggests that oral communication is a beneficial supplement to written responses. Overall, the 84.6 percent allowance rate points to a favorable prosecution environment.

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

Performance Statistics

84.6%
Allow Rate
+32.6% vs TC avg
341
Total Applications
+13.9%
Interview Lift
1102
Avg Prosecution Days
Based on 331 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
21.9%
§102 Novelty
53.6%
§103 Obviousness
20.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18574098 OBSTACLE DETECTION IN THE TRACK AREA ON THE BASIS OF DEPTH DATA Non-Final OA Siemens Mobility GmbH
18736832 ELECTRICAL INTERFACE SYSTEM Non-Final OA Caterpillar Inc.
18605515 SYSTEMS AND METHODS FOR RECOVERY OF AN IMPAIRED VEHICLE ON A SUSPENDED TRACK Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18899767 Transport Facility Non-Final OA Daifuku Co., Ltd.
18779645 CONTROLLER AND CONTROL METHOD Non-Final OA FUJI ELECTRIC CO., LTD.
18914879 Derail Warning Light System Non-Final OA Railserve, Inc.

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