Prosecution Insights
Last updated: May 29, 2026

Examiner: CHANG, DANIEL

Tech Center 2400 • Art Units: 2487 2489

This examiner grants 64% of resolved cases

Performance Statistics

63.6%
Allow Rate
+5.6% vs TC avg
416
Total Applications
+12.1%
Interview Lift
1088
Avg Prosecution Days
Based on 371 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
4.1%
§102 Novelty
87.3%
§103 Obviousness
3.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17787886 IMAGE CODING APPARATUS AND METHOD BASED ON SUB-PICTURE Non-Final OA LG ELECTRONICS INC.
17761794 TRANSFORM-BASED IMAGE CODING METHOD AND DEVICE THEREFOR Final Rejection LG ELECTRONICS INC.
19012441 ENCODING AND DECODING METHOD AND APPARATUS, AND COMPUTER DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18906764 Apparatus and Method for Inter Prediction of a Triangle Partition of a Coding Block Final Rejection Huawei Technologies Co., Ltd.
17698705 Filter Flags for Subpicture Deblocking Non-Final OA Huawei Technologies Co., Ltd.
18358094 FLEXIBLE COEFFICIENT CODING IN VIDEO COMPRESSION Non-Final OA Apple Inc.
18968727 CROSS-COMPONENT PREDICTION FOR VIDEO CODING Non-Final OA BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
17557819 METHOD, APPARATUS AND STORAGE MEDIUM FOR IMAGE ENCODING/DECODING USING PREDICTION Non-Final OA Electronics and Telecommunications Research Institute
17746648 METHODS AND SYSTEMS FOR IMPROVING VIDEO ANALYTIC RESULTS Final Rejection Honeywell International Inc.
18927730 METHOD, APPARATUS, AND MEDIUM FOR VIDEO PROCESSING Non-Final OA Bytedance Inc.
19035172 Expanded Reference Pool for Mesh Position Coding Non-Final OA TENCENT AMERICA LLC
18819519 Intra Mode Coding Final Rejection TENCENT AMERICA LLC
18461666 BLOCK LEVEL ADAPTIVE WEIGHTED PREDICTION Non-Final OA Tencent America LLC
18730932 Method and Apparatus for Geometry Partition Mode MV Assignment in Video Coding System Non-Final OA MEDIATEK INC.
17642916 SECONDARY TRANSFORM FOR FAST VIDEO ENCODER Non-Final OA INTERDIGITAL CE PATENT HOLDINGS, SAS
18575772 VIDEO ENCODING AND DECODING METHOD USING CODE BIT HIDING Non-Final OA INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
18997039 VIDEO ENCODING AND DECODING Non-Final OA BLACKBIRD PLC
18744023 IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED Final Rejection UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
17666331 SMART PACKET PACING FOR VIDEO FRAME STREAMING Final Rejection NVIDIA Corporation
18662931 IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE AND PROGRAM Non-Final OA NIPPON HOSO KYOKAI

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