Prosecution Insights
Last updated: October 27, 2026

Shun K Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, SHUN K

Tech Center 2800 • Art Units: 2884

This examiner grants 43% of resolved cases

Analysis

LEE, SHUN K examines in Tech Center 2800 and Art Unit 2884. The record contains 725 resolved cases and an allowance rate of 42.6%. The median time to allowance is 1293 days, indicating both a demanding recorded outcome pattern and a lengthy prosecution horizon.

Interviews show a 16.4% lift, making them a relevant option when developing prosecution strategy. NEC, GE Precision Healthcare, and Canon are the leading listed companies. MCDONALD HOPKINS, Abel Schillinger, and FAEGRE DRINKER BIDDLE & REATH are the leading listed firms. The company mix reflects medical, imaging, and communications-related work.

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

Performance Statistics

42.6%
Allow Rate
-25.4% vs TC avg
782
Total Applications
+16.4%
Interview Lift
1293
Avg Prosecution Days
Based on 725 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
14.6%
§102 Novelty
54.3%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19172208 RADIATION IMAGING APPARATUS AND MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
19204715 BOLOMETER ARRAY, BOLOMETER ARRAY UNIT, AND LIGHT DETECTION METHOD Non-Final OA NEC Corporation
18772245 BOLOMETER, DETECTION METHOD, AND BOLOMETER MANUFACTURING METHOD Final Rejection NEC Corporation
18325438 DETECTOR AND MOBILE TERMINAL Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19175685 MEDICAL SYSTEM AND RECORDING MEDIUM Non-Final OA GE Precision Healthcare LLC
18771774 METHOD AND SYSTEM FOR AUTOMATIC SCAN SUBJECT POSITIONING Final Rejection GE Precision Healthcare LLC
18786747 Filter Control for a Medical Imaging System Final Rejection Siemens Healthineers AG
18727694 ELECTRIC CIRCUITRY FOR BASELINE RESTORATION Non-Final OA ams International AG
18998713 DIAMOND RADIATION DETECTOR Non-Final OA TOHOKU UNIVERSITY
18780724 METHOD FOR EVALUATING SiC SUBSTRATE, METHOD FOR MANUFACTURING SiC SUBSTRATE, AND SiC SUBSTRATE EVALUATION DEVICE Final Rejection Resonac Corporation
18822903 MASS ESTIMATION METHOD AND X-RAY INSPECTION APPARATUS Final Rejection ANRITSU CORPORATION
19205136 SYSTEM AND METHOD FOR CONTINUOUS CALIBRATION OF X-RAY SCANS Non-Final OA Hologic, Inc.
19082747 OPTICAL MEASUREMENT DEVICE AND OPTICAL MEASUREMENT METHOD Non-Final OA HAMAMATSU PHOTONICS K.K.
18771605 RADIATION DETECTION APPARATUS HAVING A STABILIZED PHOTOMULTIPLIER Final Rejection Luxium Solutions, LLC
18569310 HANDHELD 3D SCANNER Final Rejection CREAFORM INC.
18356979 MULTI-SPOT CONFOCAL IMAGING SYSTEM WITH SPECTRAL MULTIPLEXING Final Rejection FEI DEUTSCHLAND GMBH

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Frequently Asked Questions

What is examiner Shun K Lee's allowance rate?

42.6% of resolved applications examined by Shun K Lee were allowed (725 resolved cases), compared with 73.0% across Art Unit 2884 over the last five years.

Does an interview help with examiner Shun K Lee?

This examiner's interview lift is +16.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Shun K Lee take to allow a patent?

Applications allowed by Shun K Lee took 1,293 days on average from filing to allowance.

Which art unit does examiner Shun K Lee work in?

Shun K Lee examines applications in Art Unit 2884 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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