Prosecution Insights
Last updated: October 27, 2026

Woo Chul Rhim, USPTO Patent Examiner

Listed by the USPTO as RHIM, WOO CHUL

Tech Center 3600 • Art Units: 2669 2676 3624

This examiner grants 79% of resolved cases

Analysis

RHIM, WOO CHUL is assigned to tech center 3600 and art unit 2669. The profile records 166 resolved cases, a 78.9% allowance rate, and a median of 986 days to allowance. The interview lift is 21.0%, showing a clearly positive association between interviews and allowance outcomes relative to the overall profile result.

Fujifilm Corporation, Samsung Electronics Co., Ltd., and Samsung Display Co., Ltd. are the listed companies. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Faegre Drinker NTT, and Houtteman Law, LLC. Practitioners can use interviews as an important supporting tactic while preserving careful written claim analysis. The case record is sufficient to make the positive interview pattern relevant, although the median time to allowance still requires active management.

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

Performance Statistics

78.9%
Allow Rate
+26.9% vs TC avg
199
Total Applications
+21.0%
Interview Lift
986
Avg Prosecution Days
Based on 166 resolved cases, 2023–2026

Rejection Statute Breakdown

7.4%
§101 Eligibility
23.3%
§102 Novelty
48.5%
§103 Obviousness
17.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18961475 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM Non-Final OA FUJIFILM CORPORATION
18823126 RECORDING METHOD, RECORDING DEVICE, AND PROGRAM Final Rejection FUJIFILM Corporation
18938234 SYSTEM AND METHOD FOR IMAGE ADJUSTMENT Non-Final OA Samsung Display Co., Ltd.
18781139 METHOD AND APPARATUS FOR ESTIMATING HEAD ROTATION ANGLE Non-Final OA NEC Corporation
18769418 GROUND FEATURE POSITION INFORMATION OUTPUT DEVICE, ASSISTANCE CONTROL DEVICE, GROUND FEATURE POSITION INFORMATION OUTPUT METHOD, AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA HONDA MOTOR CO.,LTD.
18559045 JUDGMENT DEVICE, JUDGMENT METHOD, AND JUDGMENT PROGRAM Non-Final OA NTT, Inc.
19016670 APPROACHES FOR LOSSY COMPRESSION USING MACHINE LEARNING Non-Final OA Palantir Technologies Inc.
18915755 System and Method for Object Tracking and Determining Nearness Between Cameras Non-Final OA Eagle Eye Networks, Inc.
18545559 METHODS AND APPARATUS FOR REDUCING MULTIPATH ARTIFACTS FOR A CAMERA SYSTEM OF A MOBILE ROBOT Non-Final OA Boston Dynamics, Inc.

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Frequently Asked Questions

What is examiner Woo Chul Rhim's allowance rate?

78.9% of resolved applications examined by Woo Chul Rhim were allowed (166 resolved cases), compared with 71.2% across Art Unit 2669 over the last five years.

Does an interview help with examiner Woo Chul Rhim?

This examiner's interview lift is +21.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Woo Chul Rhim take to allow a patent?

Applications allowed by Woo Chul Rhim took 986 days on average from filing to allowance.

Which art unit does examiner Woo Chul Rhim work in?

Woo Chul Rhim examines applications in Art Unit 2669 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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