Prosecution Insights
Last updated: October 02, 2026

Examiner: VO, TUNG T

Tech Center 2600 • Art Units: 2425 2482 2483 2486 2488 2621

This examiner grants 71% of resolved cases

Analysis

Tung T Vo works in Tech Center 2600 and Art Unit 2425. The examiner has managed 917 resolved cases. The allowance rate is 71.0 percent. This figure provides a clear expectation for the likelihood of a grant in this art unit. Practitioners should find this examiner to be relatively accessible in terms of achieving a successful outcome.

The interview lift is 14.9 percent. This positive lift indicates that interviews can be a useful strategy to improve the 71.0 percent allowance rate. Practitioners should consider the examiner's responsiveness to verbal communication during prosecution. Engaging in a discussion in Art Unit 2425 may help clarify specific points and overcome rejections more effectively.

The median days to allowance is 1264. This metric reflects the typical time from filing to grant for successful applications. With 917 resolved cases, the data provides a comprehensive view of the examiner's performance and timelines in Tech Center 2600. This timeline is an important factor for applicants to consider when planning their patent strategy.

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

Performance Statistics

71.0%
Allow Rate
+9.0% vs TC avg
942
Total Applications
+14.9%
Interview Lift
1264
Avg Prosecution Days
Based on 917 resolved cases, 2023–2026

Rejection Statute Breakdown

6.3%
§101 Eligibility
29.4%
§102 Novelty
45.6%
§103 Obviousness
3.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18998583 IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON Non-Final OA LG Electronics Inc.
19211913 SURGICAL SYSTEM WITH AUGMENTED REALITY DISPLAY Final Rejection Cilag GmbH International
18736811 THREE-DIMENSIONAL DATA ENCODING METHOD, THREE-DIMENSIONAL DATA DECODING METHOD, THREE-DIMENSIONAL DATA ENCODING DEVICE, AND THREE-DIMENSIONAL DATA DECODING DEVICE Non-Final OA Panasonic Intellectual Property Corporation of America
18647727 NEURAL NETWORK CONSTRUCTION METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19165481 LIGHT-BASED FIDUCIALS FOR CAMERA CALIBRATION WITH RESPECT TO AN OPTICAL COMPONENT Non-Final OA GOOGLE LLC
18634586 SELF-CRITICIZING ARTIFICIAL INTELLIGENCE SYSTEM Non-Final OA Google LLC
19083317 VIDEO CODING SUPPORTING SUBPICTURES, SLICES AND TILES Final Rejection CANON KABUSHIKI KAISHA
19083295 VIDEO CODING SUPPORTING SUBPICTURES, SLICES AND TILES Final Rejection CANON KABUSHIKI KAISHA
19083302 VIDEO CODING SUPPORTING SUBPICTURES, SLICES AND TILES Final Rejection CANON KABUSHIKI KAISHA
19083290 VIDEO CODING SUPPORTING SUBPICTURES, SLICES AND TILES Final Rejection CANON KABUSHIKI KAISHA
19083308 VIDEO CODING SUPPORTING SUBPICTURES, SLICES AND TILES Final Rejection CANON KABUSHIKI KAISHA
19160688 METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE AND RECORDING MEDIUM FOR STORING BITSTREAM Non-Final OA Kia Corporation
19167398 APPARATUS AND METHOD FOR IMAGE ENHANCEMENT AND APPARATUS AND METHOD FOR TRAINING A MACHINE-LEARNING MODEL FOR IMAGE ENHANCEMENT Non-Final OA Sony Semiconductor Solutions Corporation
19314873 SUB-PICTURE BITSTREAM EXTRACTION AND REPOSITION Non-Final OA InterDigital VC Holdings, Inc.
19012546 VIEWPOINT METADATA FOR OMNIDIRECTIONAL VIDEO Non-Final OA InterDigital Madison Patent Holdings, SAS
19160180 SIGNALING PARTITIONING INFORMATION FOR VIDEO AND IMAGE CODING Non-Final OA MEDIATEK INC.
19039959 SYSTEMS AND METHODS FOR CONTAMINATION MONITORING AND CONTROL Final Rejection Welch Allyn, Inc.
19167093 INTRA PREDICTION ENCODING METHOD, INTRA PREDICTION DECODING METHOD, COMMUNICATION APPARATUS, AND STORAGE MEDIUM Non-Final OA ZTE CORPORATION
18467829 SMART DOORBELL Non-Final OA ROKU, INC.
18391397 THREE-DIMENSIONAL DISPLAY DEVICE Non-Final OA AUO Corporation
18485486 SYSTEMS AND METHODS TO INTEGRATE ROOM OR LIGHTING CONTROLS WITH UNIFIED COMMUNICATION SOLUTION CONTEXTS Final Rejection Dell Products, L.P.

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