Prosecution Insights
Last updated: October 02, 2026

Examiner: ROSENTHAL, ANDREW S

Tech Center 1700 • Art Units: 1612 1613 1624 1715

This examiner grants 52% of resolved cases

Analysis

Andrew S. Rosenthal is an examiner in Art Unit 1612 of Tech Center 1700. The examiner has 668 resolved cases and an allowance rate of 51.8 percent. This rate indicates a more challenging environment for applicants, with roughly half of the cases reaching allowance. The 668 resolved cases provide a substantial dataset that highlights the examiner's rigorous approach to patentability and the need for strong, well-supported applications to achieve a successful outcome.

The interview lift is 38.7 percent, which is a very strong positive indicator. This suggests that interviews are a critical tool for overcoming rejections and significantly improving the chances of a successful outcome with this examiner. The 38.7 percent lift is a clear signal that the examiner is highly responsive to the interactive nature of oral advocacy. Practitioners should prioritize scheduling an interview as soon as a rejection is received to address the examiner's concerns directly and effectively.

The median days to allowance is 1106. This timeline offers a benchmark for the duration of the examination process, allowing applicants to plan for a multi-year prosecution cycle. The 1106-day median is an essential figure for managing the expectations of inventors and corporate leadership. It provides a realistic view of the time commitment required to navigate the examination process and helps in the long-term planning of intellectual property assets.

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

Performance Statistics

51.8%
Allow Rate
-13.2% vs TC avg
708
Total Applications
+38.7%
Interview Lift
1106
Avg Prosecution Days
Based on 668 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
8.1%
§102 Novelty
52.0%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18939761 PHARMACEUTICAL COMPOSITION FOR ORAL ADMINISTRATION COMPRISING AMINOPYRIMIDINE DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT, HYDRATE, OR SOLVATE THEREOF Non-Final OA Janssen Biotech, Inc.
18911411 ORAL CARE COMPOSITIONS COMPRISING DICARBOXYLIC ACID Non-Final OA The Procter & Gamble Company
17783235 HAIR STYLING COMPOSITION CONTAINING DISACCHARIDES Final Rejection Henkel AG & Co. KGaA
17762674 METHOD FOR DYEING KERATINOUS MATERIAL BY MEANS OF A PREMIX OF AMINOSILICONE AND A CHROMOPHORIC COMPOUND Final Rejection Henkel AG & Co. KGaA
18444413 INJECTABLE SLURRIES AND METHODS OF MANUFACTURING AND USING THE SAME Non-Final OA The General Hospital Corporation
18802089 IMMUNOSUPPRESSANT FORMULATIONS Final Rejection Novartis AG
18723263 COSMETIC COMPOSITION COMPRISING A POLYHYDROXYALKANOATE COPOLYMER BEARING A(N) (UN)SATURATED HYDROCARBON-BASED CHAIN AND A NATURAL RESIN Non-Final OA L'OREAL
18626294 COMPOSITIONS AND METHODS FOR ALTERING THE COLOR OF HAIR Non-Final OA L'Oreal
15993759 NON-SULFATE CONCENTRATED RINSE-OFF CLEANSING COMPOSITION Final Rejection L'OREAL
18357810 MULTIFUNCTIONAL pO2/pH-SENSITIVE THERANOSTIC LIPOSOME NANOCARRIERS AND METHODS OF USING SAME Final Rejection YALE UNIVERSITY
18865623 ANTIPERSPIRANT COMPOSITION Non-Final OA Conopco, Inc., d/b/a UNILEVER
18699471 AGENT FOR PREVENTING, TREATING, OR IMPROVING INFLAMMATORY SKIN DISEASE Final Rejection KAO CORPORATION
18067164 USE OF VOLATILE COMPOSITIONS TO LIMIT OR ELIMINATE THE PERCEPTION OF MALODOR Non-Final OA Firmenich SA
18883199 ANTI-MICROBIAL IMPLANT COATING Non-Final OA Waldemar Link GmbH & Co. KG
18689718 HYDROPHOBIC AND HYDROPHILIC MODIFIED MALEATED NATURAL OILS AND COMPOSITIONS THEREOF Non-Final OA ISP Investments LLC
18640764 COSMETIC ESTER COMPOSITION Non-Final OA PATECH FINE CHEMICALS CO., LTD.

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