Prosecution Insights
Last updated: October 02, 2026

Examiner: DINH, JACK

Tech Center 2800 • Art Units: 2812 2872 2873

This examiner grants 85% of resolved cases

Analysis

Jack Dinh operates in Tech Center 2800 and Art Unit 2812. The examiner has 666 resolved cases. The allowance rate for these cases is 85.0 percent. This 85.0 percent rate indicates that a large majority of the 666 resolved cases resulted in a grant. This provides a clear expectation for applicants navigating the prosecution process in Art Unit 2812.

The data includes an interview lift of 6.5 percent. This lift represents the increase in the probability of allowance when an interview is held. The median days to allowance is 937. This 937-day timeline shows the duration of the prosecution process for granted applications. Practitioners can use the 85.0 percent allowance rate and the 6.5 percent interview lift to evaluate their strategy. The 937-day median suggests that applications reaching a grant do so in a relatively defined period under this examiner's review of 666 cases.

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

Performance Statistics

85.0%
Allow Rate
+17.0% vs TC avg
684
Total Applications
+6.5%
Interview Lift
937
Avg Prosecution Days
Based on 666 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
39.7%
§102 Novelty
28.1%
§103 Obviousness
22.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18477623 IMAGE OBSERVATION APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
17947661 METHOD AND SYSTEM FOR MONITORING CORNEAL TISSUE HEALTH Final Rejection The Johns Hopkins University
18410425 OPHTHALMOLOGIC APPARATUS Final Rejection TOPCON CORPORATION
18032807 OPHTHALMIC OBSERVATION APPARATUS, OPHTHALMIC IMAGE PROCESSING APPARATUS, METHOD OF PROCESSING OPHTHALMIC IMAGE, AND RECORDING MEDIUM Non-Final OA Topcon Corporation
17973569 APPARATUS AND METHOD FOR IMAGING AN EYE Final Rejection Topcon Corporation
18630524 LENS MODULE Final Rejection Samsung Electro-Mechanics Co., Ltd.
17678462 OPTICAL IMAGING SYSTEM Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.

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