Prosecution Insights
Last updated: October 02, 2026

Examiner: CHOUDHURY, MUSTAK

Tech Center 2800 • Art Units: 1754 2800 2872

This examiner grants 85% of resolved cases

Analysis

Mustak Choudhury operates within Tech Center 2800 and Art Unit 1754. The examiner has a documented track record with 823 resolved cases. An allowance rate of 84.9 percent indicates a high probability of success for applications assigned to this examiner. This rate reflects a consistent pattern of granting patents across the 823 cases, providing a baseline for practitioners to evaluate their chances of a favorable outcome.

Strategic use of interviews is a potential tactic, as the data shows an interview lift of 21.2 percent. This increase suggests that the examiner is receptive to the arguments and clarifications presented during oral discussions. Furthermore, the median days to allowance is 926, which points to the typical prosecution timeline. The combination of the 84.9 percent allowance rate and the 21.2 percent interview lift suggests that proactive engagement can be beneficial. These metrics offer a clear picture of the examiner's historical tendencies within the 926-day process.

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

Performance Statistics

84.9%
Allow Rate
+16.9% vs TC avg
833
Total Applications
+21.2%
Interview Lift
926
Avg Prosecution Days
Based on 823 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
20.1%
§102 Novelty
57.1%
§103 Obviousness
15.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18956582 ANTI-REFLECTION LAYER AND DISPLAY APPARATUS HAVING THE SAME Non-Final OA Samsung Display Co., Ltd.
18975213 OPTICAL ISOLATOR STRUCTURES Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18932329 IMAGING OPTICAL SYSTEM AND MEASURING DEVICE Non-Final OA CANON VIRGINIA, INC.
18624431 LIGHT FILTER, HEAD UP DISPLAY DEVICE, AND TRANSPORT MEANS Non-Final OA Shanghai Tianma Micro-Electronics Co., Ltd.
19000123 OPTICAL DEVICE HAVING OPTICAL AND MECHANICAL PROPERTIES Non-Final OA VIAVI SOLUTIONS INC
18980525 DISPLAY SYSTEM AND OPTICAL SHIFTING FILM THEREOF Non-Final OA AUO Corporation
18942933 VEHICLE DISPLAY DEVICE Non-Final OA YAZAKI CORPORATION
18971420 INTERFEROMETRIC SCATTERING MICROSCOPY Non-Final OA Oxford University Innovation Limited
17797433 CONTACT LENSES AND MANUFACTURING METHODS THEREOF Final Rejection PEGAVISION CORPORATION

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