Prosecution Insights
Last updated: October 26, 2026

Chanmin Park, USPTO Patent Examiner

Listed by the USPTO as PARK, CHANMIN

Tech Center 3600 • Art Units: 3661

This examiner grants 45% of resolved cases

Analysis

This record includes 170 resolved cases in Tech Center 3600 and Art Unit 3661. The allowance rate is 45.3%, with a median of 1168 days to allowance. Interview lift is 22.6%, showing a positive association that may help practitioners address examination issues directly.

The listed companies are Canon Inc., Jaguar Land Rover Limited, and ZF Friedrichshafen AG. The listed firms are Brooks Kushman P.C., FOLEY & LARDNER LLP, and HSML P.C. The 45.3% allowance rate and 1168-day median support early development of claim fallback positions and careful control of prosecution timing.

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

Performance Statistics

45.3%
Allow Rate
-6.7% vs TC avg
196
Total Applications
+22.6%
Interview Lift
1168
Avg Prosecution Days
Based on 170 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
16.7%
§102 Novelty
64.2%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18338645 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection CANON KABUSHIKI KAISHA
19183588 VEHICLE CONTROLLER AND CONTROL METHOD Non-Final OA JAGUAR LAND ROVER LIMITED
17459077 METHOD FOR TRACTION-RELATED SPEED CONTROL OF A WORKING MACHINE Non-Final OA ZF Friedrichshafen AG
18846981 VEHICLE CONTROL DEVICE Final Rejection HITACHI ASTEMO, LTD.

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Frequently Asked Questions

What is examiner Chanmin Park's allowance rate?

45.3% of resolved applications examined by Chanmin Park were allowed (170 resolved cases), compared with 77.3% across Art Unit 3661 over the last five years.

Does an interview help with examiner Chanmin Park?

This examiner's interview lift is +22.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chanmin Park take to allow a patent?

Applications allowed by Chanmin Park took 1,168 days on average from filing to allowance.

Which art unit does examiner Chanmin Park work in?

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

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