Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, ANDREW P

Tech Center 1600 • Art Units: 1621 1628 1629 1691

This examiner grants 48% of resolved cases

Analysis

Andrew P. Lee serves in Tech Center 1600 and Art Unit 1621. The examiner has 594 resolved cases, with an allowance rate of 48.3 percent. This rate suggests a balanced examination style where roughly half of the resolved cases result in a patent grant. The 48.3 percent allowance rate is a key baseline for applicants in this art unit.

The interview lift is 23.1 percent. This metric highlights the effectiveness of interviews in this examiner's practice. By conducting an interview, practitioners can significantly improve the chances of moving a case toward allowance, nearly doubling the likelihood of success in some scenarios. The 23.1 percent lift is a critical strategic tool for those working in Art Unit 1621.

The median days to allowance is 1214. This timeline is a key consideration for applicants in the biological or chemical arts handled by Tech Center 1600. The data from 594 cases provides a robust foundation for understanding the examiner's historical performance. The 1214-day median pendency helps in managing client expectations for the duration of prosecution.

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

Performance Statistics

48.3%
Allow Rate
-11.7% vs TC avg
645
Total Applications
+23.1%
Interview Lift
1214
Avg Prosecution Days
Based on 594 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
7.7%
§102 Novelty
57.0%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17771737 THERAPEUTIC APPROACH FOR TREATING INFLAMMATORY BOWEL DISEASE Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18279232 Small Molecule Degraders of CBP/p300 Proteins Non-Final OA THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18466041 IMPROVED ANIMAL FEED COMPOSITIONS AND METHODS OF USE Final Rejection Syngenta Participations AG
16972873 Modified Nucleobases with Uniform H-Bonding Interactions, Homo- and Hetero-Basepair Bias, and Mismatch Discrimination Final Rejection Carnegie Mellon University
18731608 BRIDGED TRICYCLIC CARBAMOYLPYRIDONE COMPOUNDS AND USES THEREOF Non-Final OA Gilead Sciences, Inc.
18673168 ANTIVIRAL COMPOUNDS Final Rejection Gilead Sciences, Inc.
18313266 DARUNAVIR COMBINATION FORMULATIONS Non-Final OA Gilead Sciences, Inc.
18336712 THE MODE OF ACTION OF N-MeDCPA ON TRPC CHANNELS Non-Final OA The United States Government as represented by the Department of Veterans Affairs
17781778 DRUG THAT PREVENTS DIALYSIS SHIFT OR RENAL DEATH Non-Final OA Toray Industries, Inc.
18388023 METHODS FOR MITIGATING AND PREVENTING PROTEOSTASIS-BASED INJURIES Non-Final OA THE SCRIPPS RESEARCH INSTITUTE
18119724 TOPICAL COMPOSITIONS AND METHODS OF FORMULATING SAME Non-Final OA CMPD Licensing, LLC
17728078 TOPICAL COMPOSITIONS AND METHODS OF FORMULATING THE SAME Final Rejection CMPD Licensing, LLC
16979084 COMPOSITIONS AND METHODS FOR MUTATIONS ASSOCIATED WITH SUDDEN UNEXPECTED DEATH IN PEDIATRICS Non-Final OA Children's Medical Center Corporation
18655854 COMPOSITION AND METHOD FOR MUSCLE REPAIR AND REGENERATION Non-Final OA Thomas Jefferson University
17127867 METHODS OF SCHIZOPHRENIA TREATMENT Final Rejection INTRA-CELLULAR THERAPIES, INC.
18677401 METHODS FOR THE TREATMENT OF ABNORMAL INVOLUNTARY MOVEMENT DISORDERS Non-Final OA AUSPEX PHARMACEUTICALS, INC.
18916596 Novel Beta-Alanine Compositions and Methods of Use Thereof Final Rejection Natural Alternatives International, Inc.
17800639 CXCL8 (INTERLEUKIN-8) ACTIVITY INHIBITOR AND CORTICOSTEROID COMBINATION AND PHARMACEUTICAL COMPOSITION AND USE THEREOF Non-Final OA Dompe' farmaceutici SpA
16604151 P38 GAMMA INHIBITORS AND METHOD OF USE THEREOF Final Rejection City of Hope
18009312 Compositions Comprising Antimicrobials and (Bio)-Alkanediols for Skin Protection Final Rejection Symrise AG
17920260 ELAFIBRANOR FOR THE TREATMENT OF PRIMARY SCLEROSING CHOLANGITIS Non-Final OA Genfit
18019959 COMPOSITIONS AND METHODS FOR TREATING OR PREVENTING DISEASE ASSOCIATED WITH BETA CORONAVIRUS INFECTION Final Rejection SEN-JAM PHARMACEUTICAL LLC

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