Prosecution Insights
Last updated: October 01, 2026

Examiner: SHTERENGARTS, SAMANTHA L

Tech Center 1600 • Art Units: 1623 1626 1629

This examiner grants 80% of resolved cases

Analysis

Examiner SHTERENGARTS, SAMANTHA L works in Tech Center 1600 and Art Unit 1623. The examiner has a record of 1697 resolved cases. The allowance rate for these cases is 79.4 percent, which shows the frequency of patent grants. The median time to allowance is 782 days. This 782-day period is the timeframe for successful prosecution with this examiner, providing an expectation for applicants.

The interview lift is 8.0 percent, which indicates that interviews are associated with an increase in the likelihood of allowance. This 8.0 percent lift is smaller than the 79.4 percent baseline allowance rate, suggesting that many cases reach allowance without the need for an interview. However, the 8.0 percent lift still represents an impact on the prosecution outcome. With 1697 resolved cases, the 782-day median and the 8.0 percent lift provide a statistical foundation for practitioners in Art Unit 1623 within Tech Center 1600.

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

Performance Statistics

79.5%
Allow Rate
+19.5% vs TC avg
1,727
Total Applications
+8.0%
Interview Lift
783
Avg Prosecution Days
Based on 1699 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
24.7%
§102 Novelty
14.8%
§103 Obviousness
34.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18279293 INDOLE DERIVATIVES AS SEROTONERGIC AGENTS USEFUL FOR THE TREATMENT OF DISORDERS RELATED THERETO Final Rejection Mindset Pharma Inc.
18076613 FLUORINE-CONTAINING COMPOUND Non-Final OA DAIKIN INDUSTRIES, LTD.
18846525 ALOTAKETAL COMPOUNDS AND DERIVATIVES THEREOF FOR USE AS ANTIVIRAL AGENTS Non-Final OA THE UNIVERSITY OF BRITISH COLUMBIA
18294814 ALPHA-METHYLENE AND AMINOMETHYL LACTONES AND LACTAMS FOR TREATMENT OF CLOSTRIDIOIDES DIFFICILE INFECTION (CDI) Non-Final OA Purdue Research Foundation
17376829 COMPOUNDS AND COMPOSITIONS FOR TREATING CONDITIONS ASSOCIATED WITH STING ACTIVITY Non-Final OA NOVARTIS PHARMA AG
18841597 CRYSTALS OF VITAMIN D DERIVATIVE OR CRYSTALS OF SOLVATE THEREOF Non-Final OA TEIJIN PHARMA LIMITED
17594754 PHTHALAZINONE COMPOUNDS AND USE THEREOF Final Rejection KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
18690087 NEW QUINOLINE DERIVATIVES Non-Final OA ELANCO ANIMAL HEALTH GMBH

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