Prosecution Insights
Last updated: April 19, 2026

Examiner: LIU, TRACY

Tech Center 1600 • Art Units: 1612 1614 1621

This examiner grants 55% of resolved cases

Performance Statistics

55.3%
Allow Rate
-4.7% vs TC avg
756
Total Applications
+27.5%
Interview Lift
1194
Avg Prosecution Days
Based on 657 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
6.3%
§102 Novelty
50.2%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18429272 LIPID BILAYER COATED MESOPOROUS SILICA NANOPARTICLES WITH A HIGH LOADING CAPACITY FOR ONE OR MORE ANTICANCER AGENTS Non-Final OA The Regents of the University of California
18023212 METHOD OF TREATING PSMA-EXPRESSING CANCERS Non-Final OA Novartis AG
18530524 DENTIFRICE COMPOSITIONS COMPRISING BICARBONATE SALT AND NEUTRAL AMINO ACID Final Rejection The Procter & Gamble Company
18484713 ORAL CARE COMPOSITIONS COMPRISING DICARBOXYLIC ACID Final Rejection The Procter & Gamble Company
18130107 UNIT-DOSE ORAL CARE COMPOSITIONS COMPRISING FLUORIDE Final Rejection The Procter & Gamble Company
18081753 COSMETIC COMPOSITION COMPRISING SILICA AND LAUROYL LYSINE Final Rejection The Procter & Gamble Company
18134603 CERAMIC-CONTAINING BIOACTIVE INKS AND PRINTING METHODS FOR TISSUE ENGINEERING APPLICATIONS Final Rejection Northwestern University
17715435 DRUG DELIVERY SYSTEMS AND TARGETED RELEASE OF PHARMACEUTICAL AGENTS WITH FOCUSED ULTRASOUND Final Rejection THE JOHNS HOPKINS UNIVERSITY
19094143 PHOTONIC BARRIER FOR TOPICAL USE, COMPRISING BISMUTH OXIDE COLLOIDS Non-Final OA BIONUCLEI
18251240 COMPOSITION FOR KERATIN FIBERS Non-Final OA L'Oreal
17607926 MULTILAYER MATERIAL FOR SCREENING OUT ULTRAVIOLET, COMPOSITION COMPRISING SAME, PROCESS FOR TREATING KERATIN MATERIALS USING SAME, AND PROCESS FOR PREPARING THE MATERIAL Non-Final OA L'OREAL
18014363 DIAGNOSTIC AGENT FOR PANCREATIC FUNCTION Final Rejection HAMAMATSU PHOTONICS K.K.
18277826 CELLULOSE ACYLATE COMPOSITION AND PRODUCTION METHOD THEREFOR Final Rejection DAICEL CORPORATION
17900240 IMPLANTABLE BONE SCAFFOLDS INCLUDING AT LEAST ONE INTEGRATION AID, METHODS OF MAKING AND USING THE SAME Final Rejection UNIVERSITY OF UTAH RESEARCH FOUNDATION
18119957 TiO2-FREE PIGMENT Final Rejection Sun Chemical Corporation
18077301 COLORED COSMETIC SOLID DISPERSIONS Final Rejection Sun Chemical Corporation
18515651 Oral Care Compositions Final Rejection Colgate-Palmolive Company
18516422 Oral Care Compositions Final Rejection Colgate-Palmolive Company
18512276 Mouthwash Composition Final Rejection Colgate-Palmolive Company
18251017 Oral Care Compositions Comprising Ascorbic Acid Derivatives Non-Final OA Colgate-Palmolive Company
18043753 Oral Care Compositions Non-Final OA Colgate-Palmolive Company
18043703 Oral Care Compositions Non-Final OA Colgate-Palmolive Company
18043679 Oral Care Compositions Final Rejection Colgate-Palmolive Company
16949912 Viscosity Stable SLS Free Toothpastes Containing Zinc Compounds and Arginine Final Rejection Colgate-Palmolive Company
18255526 MASCARA COMPOSITION AND METHOD OF MAKING Non-Final OA Coty Inc.
18683871 METHODS AND COMPOSITIONS FOR DELIVERY TO AND ACROSS THE BLOOD BRAIN BARRIER Non-Final OA NUtech Ventures
18261192 ALKALINE EARTH METAL CARBONATES FOR COSMIC COMPOSTIONS Final Rejection IMERTECH SAS
17573574 BIOCOMPATIBLE, FLEXIBLE, HAEMOSTATIC SHEET Final Rejection ETHICON, INC.
18282327 TOPICAL COMPOSITION FOR SKIN Final Rejection Shiseido Company, Ltd.
18028690 POWDER-CONTAINING COMPOSITION Final Rejection Shiseido Company, Ltd.

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