Prosecution Insights
Last updated: April 19, 2026

Examiner: SHOMER, ISAAC

Tech Center 1600 • Art Units: 1600 1612 1624

This examiner grants 63% of resolved cases

Performance Statistics

63.0%
Allow Rate
+3.0% vs TC avg
1226
Total Applications
+31.0%
Interview Lift
1087
Avg Prosecution Days
Based on 1164 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
12.2%
§102 Novelty
44.9%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18582123 Membrane Encapsulated Nanoparticles and Method of Use Non-Final OA The Regents of the University of California
18320928 NANOSCALE COATINGS FOR ENCAPSULATION OF BIOLOGICAL ENTITIES Non-Final OA The Regents of the University of California
18332324 HIGH-THROUGHPUT METHODS FOR PREPARING LIPID NANOPARTICLES AND USES THEREOF Final Rejection GENENTECH, INC.
18549645 DRY POWDER FORMULATIONS OF NUCLEIC ACID LIPID NANOPARTICLES Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17758059 COSMETIC COMPOSITION COMPRISING A CATIONIC ASSOCIATIVE POLYMER, A CARBOXYLIC ANIONIC SURFACTANT, OPTIONALLY A NONIONIC SURFACTANT AND AN AMPHOTERIC OR ZWITTERIONIC SURFACTANT Non-Final OA L'Oreal
18159675 LIPOSOMES ENCAPSULATING ADENOSINE Final Rejection New York University
18952404 PROTEIN-LOADED PLGA NANOSPHERES Non-Final OA West Virginia University Board of Governors on behalf of West Virginia University
18946447 PROTEIN-LOADED PLGA NANOSPHERES Non-Final OA West Virginia University Board of Governors on behalf of West Virginia University
18939439 AGENTS, COMPOSITIONS AND METHODS FOR ENHANCED DELIVERY OF NUCLEIC ACIDS TO THE CELLS WITHIN THE RESPIRATORY SYSTEM Non-Final OA Cila Therapeutics Inc.
18122221 SUGAR-COATED MELANIN NANOPARTICLES AND METHOD FOR TARGETING METASTATIC CANCER CELLS Non-Final OA NATIONAL SCIENCE FOUNDATION
18684335 BROAD SPECTRUM ANTI-MICROBIAL POLYMERIC COMPOSITION Non-Final OA CORNELL UNIVERSITY
18166339 CO-AMORPHOUS FORM OF A SUBSTANCE AND A PROTEIN Non-Final OA University of Copenhagen
18036397 MEDICATION THAT PROTECTS THE INTESTINAL MICROBIOTA AND THEIR PREPARATION METHODS AND APPLICATIONS Non-Final OA UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
18245559 Multi-targeting cell-derived nanoparticles as a versatile theranostic Final Rejection Fondazione Istituto Italiano di Tecnologia
18392143 COMPOSITIONS AND SYSTEMS COMPRISING TRANSFECTION-COMPETENT VESICLES FREE OF ORGANIC-SOLVENTS AND DETERGENTS AND METHODS RELATED THERETO Non-Final OA The University of British Columbia
18144382 IN VIVO IMMUNOIMAGING OF INTERFERON-GAMMA Non-Final OA Wayne State University
18591479 STABILIZATION OF ADJUVANTED VACCINE COMPOSITIONS AND THEIR USE Non-Final OA Vaxcyte, Inc.
18281915 LIPID NANOPARTICLE PREPARATION METHOD AND PREPARATION APPARATUS THEREFOR Non-Final OA INVENTAGE LAB INC.
18555439 "Good" buffer-based cationic lipids Final Rejection TRANSLATE BIO, INC.
18004182 Liposome formulations Final Rejection Thermosome GmbH
18570611 SUB-MICRON PARTICLE Non-Final OA IMPERIAL COLLEGE INNOVATIONS LIMITED
18576244 IONIZABLE LIPID COMPOUND FOR NUCLEIC ACID DELIVERY AND LNP COMPOSITION THEREOF Non-Final OA CANSINO (SHANGHAI) BIOLOGICAL RESEARCH CO., LTD.
18266986 WNT+ ADIPOCYTES, EXOSOMES FROM WNT+ ADIPOCYTES, AND METHODS OF MAKING AND USING THEM Non-Final OA The Administrators of the Tulane Educational Fund
18521172 LIPID NANOPARTICLES AND METHODS OF USE THEREOF Non-Final OA ReNAgade Therapeutics Management Inc.
18270844 USE OF PLANT-DERIVED EXOSOMES FOR INDUCING DIFFERENTIATION OF STEM CELL SOURCES INTO CARTILAGE AND BONE CELLS Non-Final OA YEDITEPE UNIVERSITESI
18388724 PARTICLE COMPOSITIONS COMPRISING POLYSARCOSINE LIPID CONJUGATES Final Rejection CALUSA BIO, LLC
18387453 METHODS OF PREPARATION OF NOVEL PAN TLR ANTAGONISTIC LIPOSOMAL-LNP FORMULATIONS AND USES THEREOF Non-Final OA Celestial Therapeutics Inc.
18556287 FUNCTIONALIZED BIOCATALYTICAL COMPOSITIONS Non-Final OA PERSEO PHARMA AG
18381305 BILIRUBIN NANOPARTICLE, USE THEREOF, AND PREPARATION METHOD THEREFOR Final Rejection BILIX CO., LTD.
17615637 Compositions of Dicarboxylic Acid Derivatives Non-Final OA UPL LTD

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