Prosecution Insights
Last updated: May 29, 2026

Examiner: LEESER, ERICH A

Tech Center 1600 • Art Units: 1622 1624

This examiner grants 82% of resolved cases

Performance Statistics

81.6%
Allow Rate
+21.6% vs TC avg
972
Total Applications
+13.5%
Interview Lift
762
Avg Prosecution Days
Based on 955 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
22.2%
§102 Novelty
17.0%
§103 Obviousness
29.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17949188 1-[2-(2,4-DIMETHYLPHENYLSULFANYL)-PHENYL]PIPERAZINE AS A COMPOUND WITH COMBINED SEROTONIN REUPTAKE, 5-HT3 AND 5-HT1A ACTIVITY FOR THE TREATMENT OF COGNITIVE IMPAIRMENT Non-Final OA H. Lundbeck A/S
18282083 BIARYL AMIDE AND HETEROARYL AMIDES FOR TREATMENT OF CANDIDA ALBICANS INFECTION Non-Final OA Board of Regents, The University of Texas System
18549158 Treatment of Breast Cancer with Amcenestrant and Palbociclib Non-Final OA Pfizer Inc.
18576983 USE OF LACTIC ACID IN POSTMENOPAUSAL WOMEN Non-Final OA DR. AUGUST WOLFF GMBH & CO. KG ARZNEIMITTEL
18488248 STEVIA COMPOSITION Non-Final OA PURECIRCLE SDN BHD
18579114 BIFUNCTIONAL COMPOUNDS FOR DEGRADING BTK WITH DIMINISHED IMID ACTIVITY Non-Final OA NURIX THERAPEUTICS, INC.
18259532 REAGENT AND METHOD FOR TREATING SKIN DISEASES OR CONDITIONS ASSOCIATED WITH ANTI-TUMOR AGENT Non-Final OA ONQUALITY PHARMACEUTICALS CHINA LTD.
18558166 PROCESS FOR THE PREPARATION OF ANTIBACTERIAL COMPOUNDS Non-Final OA DISCUVA LIMITED
18288195 A SOLID STATE FORM OF TAFAMIDIS AND A PROCESS FOR ITS PREPARATION Non-Final OA Quimica Sintetica, S.A.
18273011 IMIDAZOLOPYRIDAZINE OR PYRAZOLOPYRIMIDINE COMPOUNDS AND COMPOSITIONS Non-Final OA Anrui Biomedical Technology (Guangzhou) Co., Ltd.
18020761 METHODS OF TREATING GOUT Non-Final OA Horizon Therapeutics USA, Inc.

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