Prosecution Insights
Last updated: October 02, 2026

Examiner: CHOW, VAN NGUYEN

Tech Center 2600 • Art Units: 2623 2627 2688 2689 2694 2695

This examiner grants 83% of resolved cases

Analysis

Van Nguyen Chow operates in Tech Center 2600 and Art Unit 2623. The examiner has a high volume of 866 resolved cases, reflecting a wealth of experience. The allowance rate is 83.4 percent, which is quite high and suggests that the examiner is often able to find allowable subject matter. This high rate of success is a positive sign for applicants assigned to this unit.

The interview lift is 12.6 percent, showing that direct dialogue with the examiner is a beneficial tactic. This lift suggests that interviews can help resolve outstanding issues and move a case toward allowance. Efficiency is another strong point, as the median days to allowance is 834. This is a relatively fast timeline for Tech Center 2600, indicating that the examiner processes cases with significant speed. The combination of a high allowance rate and a quick turnaround makes this a favorable environment for patent prosecution within the 834-day cycle.

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

Performance Statistics

83.4%
Allow Rate
+21.4% vs TC avg
881
Total Applications
+12.6%
Interview Lift
834
Avg Prosecution Days
Based on 866 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
34.6%
§102 Novelty
45.0%
§103 Obviousness
10.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19350728 ELECTRONIC APPARATUS AND CONTROLLING METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18945611 DISPLAY PANEL AND DISPLAY DEVICE Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
19343283 TOUCH SENSOR CONTROLLER INCLUDING A LINE DRIVER AND METHOD OF CALIBRATION OF A LINE DRIVER Non-Final OA NXP B.V.
19397002 DISPLAY DEVICE AND ELECTRONIC DEVICE Non-Final OA Samsung Display Co., Ltd.
19268033 PIXEL, DISPLAY DEVICE, AND DRIVING METHOD OF THE DISPLAY DEVICE Final Rejection SAMSUNG DISPLAY CO., LTD.
19146985 ELECTRONIC DEVICE AND METHOD FOR OPERATING THE SAME Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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