Prosecution Insights
Last updated: August 18, 2026

Examiner: CASTRO, ALFONSO

Tech Center 4100 • Art Units: 2421 2423 2425 2623 4100

This examiner grants 51% of resolved cases

Performance Statistics

50.8%
Allow Rate
-9.2% vs TC avg
485
Total Applications
+19.1%
Interview Lift
1334
Avg Prosecution Days
Based on 449 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
4.6%
§102 Novelty
71.4%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19210799 CONTENT AND/OR CONTROL USER INTERFACES Non-Final OA Apple Inc.
19198164 INFORMATION PROCESSING APPARATUS AND METHOD Non-Final OA SONY GROUP CORPORATION
18871450 INFORMATION DISPLAY METHOD AND APPARATUS Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19002446 DISPLAY METHOD AND SYSTEM AND DEVICE Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18548610 Separating Media Content Into Program Segments and Advertisement Segments Final Rejection Gracenote, Inc.
18326434 FAULT-TOLERANT VIDEO STREAMING IN ONE-WAY TRANSFER SYSTEMS Final Rejection Microsoft Technology Licensing, LLC
18963294 METHOD FOR PROVIDING SERVICE USING DATACASTING BASED ON ATSC 3.0 BROADCAST ENVIRONMENT AND APPARATUS USING THE SAME Final Rejection ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
16041400 METHODS AND SYSTEMS FOR CONTENT NOTIFICATIONS Final Rejection COMCAST CABLE COMMUNICATIONS, LLC
18997937 VIDEO GENERATING METHOD, APPARATUS AND DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Volcano Engine Technology Co., Ltd.
19196382 AUTOMATED ANALYSIS AND DYNAMIC SELECTION (CREATION) OF HIGH QUALITY SUPPLEMENTAL CONTENT FOR USER ENGAGEMENT OPTIMIZATION Non-Final OA Roku, Inc.
18920422 AUTOMATICALLY DETERMINING OPTIMAL SUPPLEMENTAL CONTENT FOR A MEDIA STREAM MENU INTERFACE Final Rejection Roku, Inc.
18238030 UNIFICATION REDUCTION OF COMPLEX TRAVERSAL AND SEARCH APPLICATION PROGRAMMING INTERFACE Non-Final OA ROKU, INC.
19061514 IP AUGMENTED TELEVISION STREAMS Non-Final OA DISH Network L.L.C.

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