Prosecution Insights
Last updated: October 04, 2026

Examiner: TSUI, DANIEL D

Tech Center 2100 • Art Units: 2132 2182 2185

This examiner grants 92% of resolved cases

Analysis

Daniel D. Tsui has resolved 519 cases in Art Unit 2132 of Tech Center 2100. The allowance rate is 91.7%, and the median time to allowance is 877 days. This reflects a highly favorable and efficient environment for applicants seeking patent protection. The 519 cases resolved provide a strong statistical basis for these positive metrics.

The interview lift of 0.3% is negligible, indicating that the 91.7% baseline allowance rate is already very high. For the 519 cases resolved, an interview may not be necessary to achieve a grant. The 877-day median pendency supports a relatively fast path to allowance. Practitioners can expect a high likelihood of success in Art Unit 2132.

In Tech Center 2100, the 91.7% allowance rate is an exceptional baseline. The 877-day median to allowance suggests that the examiner is effective at moving cases to grant quickly. The 0.3% interview lift confirms that the examiner's standard process is already highly effective for the 519 cases resolved in this unit.

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

Performance Statistics

91.7%
Allow Rate
+36.7% vs TC avg
525
Total Applications
+0.3%
Interview Lift
877
Avg Prosecution Days
Based on 519 resolved cases, 2023–2026

Rejection Statute Breakdown

6.2%
§101 Eligibility
18.6%
§102 Novelty
51.4%
§103 Obviousness
11.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19293103 MEMORY CARD AND HOST DEVICE Non-Final OA Kioxia Corporation
19097330 OPERATION TO ERASE MULTIPLE MEMORY BLOCKS OF MULTIPLE MEMORY PLANES Final Rejection Micron Technology, Inc.

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