Prosecution Insights
Last updated: October 26, 2026

Hong Sol Cho, USPTO Patent Examiner

Listed by the USPTO as CHO, HONG SOL

Tech Center 2600 • Art Units: 2419 2463 2467 2619

This examiner grants 88% of resolved cases

Analysis

CHO, HONG SOL is assigned to Tech Center 2600 and Art Unit 2419. The record includes 1116 resolved cases, an 88.0% allowance rate, and a median of 912 days to allowance. Interviews show a 7.0% lift, providing a positive but limited outcome signal.

Huawei Technologies Co., Ltd., Lenovo (United States) Inc., and Nokia Corporation are the listed leading companies. AMPACC Law Group, PLLC, Bayes PLLC, and FIG. 1 Patents are the listed leading firms. The data supports a structured prosecution approach that considers interviews without treating them as determinative.

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

Performance Statistics

88.0%
Allow Rate
+26.0% vs TC avg
1,138
Total Applications
+7.0%
Interview Lift
912
Avg Prosecution Days
Based on 1116 resolved cases, 2023–2026

Rejection Statute Breakdown

6.5%
§101 Eligibility
21.6%
§102 Novelty
48.6%
§103 Obviousness
10.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18825890 Long Range UWB and Wi-Fi Coexistence Non-Final OA Apple Inc.
18899379 COMMUNICATION APPARATUS AND COMMUNICATION METHOD Non-Final OA CANON KABUSHIKI KAISHA
18774150 APPARATUS, METHOD, SYSTEM, PROGRAM AND RECORDING MEDIUM RELATED TO BEAMFORMING Final Rejection NEC Corporation
18913782 DATA TRANSMISSION METHOD FOR SHORT-RANGE WIRELESS COMMUNICATION, AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18899415 COMMUNICATION METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18896943 MULTICAST/BROADCAST COMMUNICATION METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18762143 COMMUNICATION TERMINAL APPARATUS AND COMMUNICATION SYSTEM Final Rejection Mitsubishi Electric Corporation
18856704 METHODS AND APPARATUSES OF ENHANCEMENTS FOR A CPAC PROCEDURE Non-Final OA LENOVO (BEIJING) LIMITED
18660209 LOW POWER WAKE-UP SIGNAL SUBGROUPING INFORMATION Non-Final OA LENOVO (SINGAPORE) PTE. LTD.
18797366 ALLOCATION OF MULTIPLE ACCESS RESOURCES FOR COMMUNICATION DEVICES Non-Final OA Lenovo (Singapore) Pte Limited
18939264 RELAY COMMUNICATION METHOD, AND DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18850194 MINIMIZATION OF DRIVE TESTS FOR MULTICAST / BROADCAST SERVICES IN NEW RADIO Non-Final OA Nokia Technologies Oy
18781653 EARLY USER EQUIPMENT CONTEXT TRANSFER IN L3 CALL SETUP Non-Final OA Nokia Solutions and Networks Oy
18911751 Virtual Machine Identifier Removal Non-Final OA Zoom Video Communications, Inc.

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Frequently Asked Questions

What is examiner Hong Sol Cho's allowance rate?

88.0% of resolved applications examined by Hong Sol Cho were allowed (1,116 resolved cases), compared with 77.3% across Art Unit 2419 over the last five years.

Does an interview help with examiner Hong Sol Cho?

This examiner's interview lift is +7.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hong Sol Cho take to allow a patent?

Applications allowed by Hong Sol Cho took 912 days on average from filing to allowance.

Which art unit does examiner Hong Sol Cho work in?

Hong Sol Cho examines applications in Art Unit 2419 in Tech Center 2600 (Communications).

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