Prosecution Insights
Last updated: October 02, 2026

Examiner: PROSSER, ALISSA J

Tech Center 1600 • Art Units: 1619

This examiner grants 16% of resolved cases

Analysis

Alissa J. Prosser is an examiner in Tech Center 1600 and Art Unit 1619. She has managed 504 resolved cases with an allowance rate of 15.7 percent. This 15.7 percent rate indicates a challenging environment where a minority of applications reach a grant.

The interview lift is 11.2 percent. This figure suggests that conducting an interview is a productive strategy for increasing the likelihood of a grant, even from a low baseline. The 11.2 percent lift provides a meaningful boost to the allowance rate, making it a recommended tactic for practitioners to use during prosecution.

The median days to allowance is 1274. This timeline represents the typical duration for applications to reach a final grant. With 504 resolved cases, these metrics offer a clear view of the examiner's performance. The 1274-day median defines the expected prosecution experience for applicants in this docket.

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

Performance Statistics

15.7%
Allow Rate
-44.3% vs TC avg
563
Total Applications
+11.2%
Interview Lift
1274
Avg Prosecution Days
Based on 504 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
10.4%
§102 Novelty
44.9%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18448174 CELLULOSIC PARTICLE Final Rejection FUJIFILM Business Innovation Corp.
18599717 PERSONAL CARE COMPOSITION Non-Final OA The Procter & Gamble Company
18127097 Compositions Having Capsules Final Rejection The Procter & Gamble Company
18421298 HIGH CONCENTRATION SUSPENSION FORMULATION FOR COLD AND FLU SOFT GEL CAPSULE MEDICATIONS Final Rejection Bayer Healthcare LLC
18691738 SYNERGISTIC NANOMEDICINE DELIVERING TOPOISOMERASE I TOXIN (SN-38) AND INHIBITORS OF POLYNUCLEOTIDE KINASE 3'-PHOSPHATASE (PNKP) FOR ENHANCED TREATMENT OF COLORECTAL CANCER Non-Final OA THE GOVERNORS OF THE UNIVERSITY OF ALBERTA
18274607 TINTED COSMETIC SUNSCREEN COMPOSITION, USE OF A TINTED COSMETIC SUNSCREEN COMPOSITION, AND PROCESS FOR MANUFACTURING A TINTED COSMETIC SUNSCREEN COMPOSITION Final Rejection L'OREAL
18032950 PHOTOPROTECTIVE COMPOSITION Non-Final OA L'OREAL
17855767 COMPOSITIONS AND METHODS FOR STYLING HAIR Non-Final OA L'OREAL
17731809 COMPOSITIONS COMPRISING A POLYPHENOL AND A GLYCEROLATED COMPOUND Final Rejection L'OREAL
17218797 PRESERVATIVE SYSTEM Final Rejection L'OREAL
17442231 METHOD FOR MANUFACTURING MEDICAL DEVICE Final Rejection TORAY INDUSTRIES, INC.
18879432 WATER-IN-OIL EMULSION COSMETIC COMPOSITION Non-Final OA SHISEIDO COMPANY, LTD.
18043563 COSMETIC Final Rejection SHISEIDO COMPANY, LTD.
17785689 SUNSCREEN COSMETIC Final Rejection Shiseido Company, Ltd.
18290370 WATER-BREAKING MAKEUP COSMETIC Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18560954 A METHOD OF PROVIDING HIGH SPF TO A TOPICAL SURFACE OF A BODY Final Rejection Conopco, Inc., d/b/a UNILEVER
18139740 PERSONAL CARE COMPOSITION Non-Final OA Conopco, Inc., d/b/a UNILEVER
17605718 Use of Nanoparticles to Stabilize and Preserve the Bioactivity of Proteins and Peptides Non-Final OA University of Pittsburgh - Of the Commonwealth System of Higher Education
17441869 SURFACE-MODIFIED DOPED TITANIUM DIOXIDE NANOPARTICLES AND USES Final Rejection The Board of Regents of the University of Oklahoma
18730907 POLYALKYLENE OXIDE PARTICLES FOR PHARMACEUTICAL FORMULATION, MEDICINAL COMPOSITION, COMPOSITION FOR PHARMACEUTICAL FORMULATION, AND PHARMACEUTICAL FORMULATION Non-Final OA SUMITOMO SEIKA CHEMICALS CO., LTD.
17309670 SUGAR-COATED SOLID FORMS HAVING IMPROVED STABILITY Non-Final OA ROQUETTE FRERES
18549200 FRAGRANCE COMPOSITION Final Rejection GIVAUDAN SA
18575604 COSMETIC MAKE-UP COMPOSITION Final Rejection L V M H RECHERCHE
18005792 COSMETIC MAKE-UP COMPOSITION FOR THE LIPS Non-Final OA L V M H RECHERCHE

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