Prosecution Insights
Last updated: October 01, 2026

Examiner: LI, ZHUO H

Tech Center 2100 • Art Units: 2133 2139 2185 2189

This examiner grants 89% of resolved cases

Analysis

Zhuo H. Li, working in Tech Center 2100 and Art Unit 2133, has a high volume of 595 resolved cases. The allowance rate of 88.7 percent is exceptionally high, indicating that the vast majority of applications eventually reach a grant. This suggests that the examiner is very open to finding allowable subject matter through the prosecution process. The median days to allowance of 956 shows a relatively efficient path to patent issuance. This 956-day timeline is a reliable metric given the 595 resolved cases.

Interestingly, the interview lift is quite low at 3.6 percent. This suggests that while interviews are not detrimental, they do not provide the same dramatic increase in success seen with other examiners. Given the already high 88.7 percent allowance rate, it appears that written prosecution is often sufficient to reach a favorable outcome. The 595 resolved cases provide a very stable data set, confirming that the 956-day median and the high allowance rate are reliable indicators of the examiner's typical workflow. Practitioners should focus on the 88.7 percent success rate when planning their approach.

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

Performance Statistics

88.7%
Allow Rate
+33.7% vs TC avg
614
Total Applications
+3.6%
Interview Lift
956
Avg Prosecution Days
Based on 595 resolved cases, 2023–2026

Rejection Statute Breakdown

6.1%
§101 Eligibility
15.5%
§102 Novelty
52.9%
§103 Obviousness
9.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18961097 APPARATUSES AND METHODS FOR OPERATIONS IN A SELF-REFRESH STATE Final Rejection Lodestar Licensing Group LLC
18821670 SEMICONDUCTOR MEMORY DEVICE AND MEMORY SYSTEM Final Rejection Kioxia Corporation
19046543 DATA STORAGE DEVICE TO EFFICIENTLY MANAGE MAP DATA AND METHOD OF OPERATING THE SAME Final Rejection SK hynix Inc.
19008292 Sub Block Access via Storage Access Commands and Memory Access Instructions Non-Final OA Micron Technology, Inc.
18985001 READ CACHING FOR A SUBSEQUENT READ OPERATION Non-Final OA Microchip Technology Incorporated
18820442 REDUCING POWER CONSUMPTION ASSOCIATED WITH FREQUENCY TRANSITIONING IN A MEMORY INTERFACE Non-Final OA Advanced Micro Devices, Inc.
18758387 Power Gating for Memory Physical Layers Non-Final OA Advanced Micro Devices, Inc.
19017347 ENABLING WRITER PROCESS ISOLATION BY DESIGNATING MEMORY BLOCKS AS WRITE-RESERVED Non-Final OA Dell Products L.P.

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