Prosecution Insights
Last updated: October 04, 2026

Examiner: HSU, GRACE CHING

Tech Center 1600 • Art Units: 1624 1627

This examiner grants 74% of resolved cases

Analysis

Grace Ching Hsu serves in Art Unit 1624 of Tech Center 1600. She has 49 resolved cases and an allowance rate of 73.5%. This rate suggests a favorable prosecution environment for applicants. The median days to allowance is 1237, which is a factor for practitioners to consider. The 49 resolved cases provide an initial but clear view of the examiner's performance.

The interview lift is 31.0%, indicating that interviews are an effective strategy for increasing the 73.5% allowance rate. Even with a high baseline, personal communication provides a meaningful boost to the probability of success. The 1237 median days to allowance indicates that the process can be lengthy. Practitioners should use the 31.0% lift to help navigate the 73.5% allowance rate and potentially resolve issues more efficiently during the 1237 median days to allowance.

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

Performance Statistics

73.5%
Allow Rate
+13.5% vs TC avg
66
Total Applications
+31.0%
Interview Lift
1237
Avg Prosecution Days
Based on 49 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
24.9%
§102 Novelty
22.0%
§103 Obviousness
41.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18708426 COMPOSITION FOR INHIBITING HISTAMINE-N-METHYLTRANSFERASE Non-Final OA SUNTORY HOLDINGS LIMITED
17753139 BICYCLIC AGONISTS OF STIMULATOR OF INTERFERON GENES STING Non-Final OA The Scripps Research Institute
18533710 SOLID FORMS OF (3R)-N-[2-CYANO-4-FLUORO-3-(3-METHYL-4-OXO-QUINAZOLIN-6-YL)OXY-PHENYL]-3-FLUORO-PYRROLIDINE-1-SULFONAMIDE Non-Final OA Hoffmann-La Roche Inc.
18563554 1,2-DIHYDROQUINOLINE-2-ONES FOR THEIR USE IN THE TREATMENT OF LIMB-GIRDLE MUSCULAR DYSTROPHY Non-Final OA ADMINISTRACIÓN GENERAL DE LA COMUNIDAD AUTÓNOMA DE EUSKADI

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