Prosecution Insights
Last updated: October 26, 2026

Y Young Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, Y YOUNG

Tech Center 2600 • Art Units: 2419 2482 2485 2486 2621

This examiner grants 49% of resolved cases

Analysis

LEE, Y YOUNG is assigned to Tech Center 2600 and Art Unit 2419. The dataset records 425 resolved cases and an allowance rate of 48.7%. The median time to allowance is 1579 days, marking a particularly extended prosecution horizon within this profile and a material scheduling consideration for applicants.

Interviews are associated with a 26.1% lift, making them a relevant tool for prosecution planning. B1 Institute of Image Technology, InterDigital, and LG Electronics are the leading listed companies. Condo Roccia Koptiw, NSIP LAW, and BakerHostetler are the leading listed firms. The listed activity is concentrated in imaging, communications, and electronics technology.

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

Performance Statistics

48.7%
Allow Rate
-13.3% vs TC avg
450
Total Applications
+26.1%
Interview Lift
1579
Avg Prosecution Days
Based on 425 resolved cases, 2023–2026

Rejection Statute Breakdown

8.0%
§101 Eligibility
35.5%
§102 Novelty
35.8%
§103 Obviousness
9.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19040508 IMAGE ENCODING/DECODING METHOD AND DEVICE Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19040504 IMAGE ENCODING/DECODING METHOD AND DEVICE Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19040522 IMAGE ENCODING/DECODING METHOD AND DEVICE Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
18842523 FEATURE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM STORING BITSTREAM Final Rejection LG Electronics Inc.
19034260 Region Of Interest Encryption And Processing for Media Items Non-Final OA APPLE INC.
18704673 IMAGING CONTROL DEVICE, IMAGING DEVICE, AND PROGRAM Final Rejection NIKON CORPORATION
18808959 METHOD FOR DERIVATION OF PICTURE OUTPUT FOR NON-REFERENCED PICTURE IN CODED VIDEO STREAM Non-Final OA TENCENT AMERICA LLC
19033229 DRAP AND EDRAP IN THE ISOBMFF Non-Final OA Bytedance Inc.
19296595 METHODS AND APPARATUSES FOR ENCODING/DECODING A VIDEO Non-Final OA InterDigital CE Patent Holdings, SAS
19169799 METHOD AND DEVICE FOR LUMA MAPPING WITH CROSS COMPONENT SCALING Final Rejection InterDigital CE Patent Holdings, SAS
18876639 TEMPLATE MATCHING PREDICTION WITH SUB-SAMPLING Final Rejection InterDigital CE Patent Holdings, SAS
18969387 INSPECTION DEVICE AND INSPECTION METHOD Final Rejection NHK SPRING CO., LTD.

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Frequently Asked Questions

What is examiner Y Young Lee's allowance rate?

48.7% of resolved applications examined by Y Young Lee were allowed (425 resolved cases), compared with 77.3% across Art Unit 2419 over the last five years.

Does an interview help with examiner Y Young Lee?

This examiner's interview lift is +26.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Y Young Lee take to allow a patent?

Applications allowed by Y Young Lee took 1,579 days on average from filing to allowance.

Which art unit does examiner Y Young Lee work in?

Y Young Lee examines applications in Art Unit 2419 in Tech Center 2600 (Communications).

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