Prosecution Insights
Last updated: October 28, 2026

Hee K Song, USPTO Patent Examiner

Listed by the USPTO as SONG, HEE K

Tech Center 2400 • Art Units: 2433 2436 2497

This examiner grants 85% of resolved cases

Analysis

SONG, HEE K handles cases in Tech Center 2400 and Art Unit 2433. The profile includes 781 resolved cases, an 85.0% allowance rate, and a median of 1024 days to allowance. Interview lift is 19.3%, suggesting a useful association between interviews and allowance outcomes.

Micron Technology Inc., Nokia Corporation, and Salesforce Inc. are the listed companies. Ballard Spahr LLP and Burr & Forman LLP - Nokia are the listed firms. The substantial case record supports examiner-specific planning, while the favorable allowance result and positive interview measure give practitioners a basis for combining strong written responses with targeted examiner discussions.

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

Performance Statistics

85.0%
Allow Rate
+27.0% vs TC avg
794
Total Applications
+19.3%
Interview Lift
1024
Avg Prosecution Days
Based on 781 resolved cases, 2023–2026

Rejection Statute Breakdown

12.9%
§101 Eligibility
19.2%
§102 Novelty
52.4%
§103 Obviousness
7.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18451935 KEY UPDATE METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18997423 METHOD AND APPARATUS RELATED TO DIGITAL CERTIFICATE CERTIFYING CRYPTOGRAPHIC KEY FOR AN ENTITY IMPLEMENTING ONE OR MORE NETWORK FUNCTIONS OF A CORE NETWORK FOR A MOBILE COMMUNICATION SYSTEM Non-Final OA Nokia Technologies Oy
19205644 DYNAMIC TRANSACTION-AWARE WEB APPLICATION AUTHENTICATION USING CALL INTERCEPTS Non-Final OA Cisco Technology, Inc.
18912464 REMOTELY MANAGING DEVICES USING BLOCKCHAIN AND DICE RIOT Non-Final OA Micron Technology, Inc.

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Frequently Asked Questions

What is examiner Hee K Song's allowance rate?

85.0% of resolved applications examined by Hee K Song were allowed (781 resolved cases), compared with 73.3% across Art Unit 2433 over the last five years.

Does an interview help with examiner Hee K Song?

This examiner's interview lift is +19.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hee K Song take to allow a patent?

Applications allowed by Hee K Song took 1,024 days on average from filing to allowance.

Which art unit does examiner Hee K Song work in?

Hee K Song examines applications in Art Unit 2433 in Tech Center 2400 (Networking & Security).

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