Prosecution Insights
Last updated: October 01, 2026

Examiner: LEE, JIA-HAI

Tech Center 1600 • Art Units: 1658 1676

This examiner grants 49% of resolved cases

Analysis

Examiner JIA-HAI LEE is positioned in Tech Center 1600 and Art Unit 1658. The examiner has overseen 455 resolved cases. The data indicates an allowance rate of 49.0 percent. This metric represents the proportion of applications that successfully transition from examination to a granted patent. An allowance rate of 49.0 percent offers a statistical foundation for evaluating the likelihood of a positive outcome in Art Unit 1658.

The median days to allowance for this examiner is 1104. This figure provides a specific timeframe for the duration of the prosecution process from filing to issuance. Practitioners can use the 1104 days benchmark to plan for the expected length of time an application might remain pending. This duration is a key consideration for applicants operating within Tech Center 1600.

The interview lift is 47.0 percent. This figure represents the increase in the probability of allowance when an interview is conducted compared to cases without one. A lift of 47.0 percent suggests that verbal communication may assist in resolving outstanding issues during prosecution. For the 455 resolved cases, this statistic implies that interviews are a productive tactic for this examiner.

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

Performance Statistics

49.0%
Allow Rate
-11.0% vs TC avg
520
Total Applications
+47.0%
Interview Lift
1104
Avg Prosecution Days
Based on 455 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
12.8%
§102 Novelty
38.3%
§103 Obviousness
21.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18265368 USE OF SYNTHETIC COPOLYPEPTIDE HYDROGELS AS DERMAL FILLERS Non-Final OA The Regents of the University of California
18297593 RECOMBINANTLY ENGINEERED POLYPEPTIDES CAPABLE OF RECYCLING NONCANONICAL COFACTORS Final Rejection The Regents of the University of California
16082924 NANOLIPOPROTEIN PARTICLES AND RELATED COMPOSITIONS METHODS AND SYSTEMS FOR IMPROVED DRUG LOADING Non-Final OA The Regents Of The University of California
18161712 Bifunctional Small Molecules to Target the Selective Degradation of Circulating Proteins Non-Final OA Yale University
17233022 BULLFROG SKIN-DERIVED COLLAGEN, MATERIALS COMPRISING THEREOF, AND APPLICATIONS IN WOUND HEALING Final Rejection Nanyang Technological University
16633701 COMPOUND AND METHOD FOR PRODUCING THE SAME Final Rejection PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
17906177 EXTRACELLULAR VESICLES FOR TREATING NEUROLOGICAL DISORDERS Non-Final OA LONZA SALES AG

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