Prosecution Insights
Last updated: April 19, 2026

Examiner: BELYAVSKYI, MICHAIL A

Tech Center 1600 • Art Units: 1644

This examiner grants 64% of resolved cases

Performance Statistics

63.9%
Allow Rate
+3.9% vs TC avg
1168
Total Applications
+27.2%
Interview Lift
1135
Avg Prosecution Days
Based on 1091 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
9.7%
§102 Novelty
29.0%
§103 Obviousness
10.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18020611 TARGETED PROTEIN DEGRADATION IN THERAPEUTIC CELLS Non-Final OA The Regents of the University of California
16185369 METHODS OF DECREASING TRISULFIDE BONDS DURING RECOMBINANT PRODUCTION OF POLYPEPTIDES Final Rejection GENENTECH, INC.
18015709 THERAPEUTIC HYDROGEL FOR THE DELIVERY OF CAR-T CELLS Non-Final OA NORTH CAROLINA STATE UNIVERSITY
18437185 GENERATING CIK NKT CELLS FROM CORD BLOOD Final Rejection ImmunityBio, Inc.
17917651 RECOMBINANT VACCINES AND METHODS OF USE THEREOF Non-Final OA Vanderbilt University
18552727 CHIMERIC ANTIGEN RECEPTORS TO TARGET CD5-POSITIVE CANCERS Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17995985 ENGINEERED INTERLEUKIN-22 POLYPEPTIDES AND USES THEREOF Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17995986 ENGINEERED IL-12 AND IL-23 POLYPEPTIDES AND USES THEREOF Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17793024 PERICYTE-SPARING THERAPY Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17904926 METHOD FOR PROVIDING INFORMATION FOR DIAGNOSING OR PREDICTING PROGNOSIS OF CANCER BY MEASURING EXPRESSION LEVEL OF TIM-3 IN CD11B+ CELLS Non-Final OA NATIONAL CANCER CENTER
18011419 MUTATION COMPLEX INCLUDING GAIN-OF-FUNCTION MUTANT OF BMPR2 GENE, INDUCED PLURIPOTENT STEM CELLS AND MESENCHYMAL STEM CELLS DERIVED FROM MUTANT, AND USE THEREOF Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
17765043 ELUTION OF MONOCLONAL ANTIBODIES IN PROTEIN A AFFINITY CHROMATOGRAPHY Final Rejection Merck Patent GmbH
17998388 FORMULATIONS OF ANTI-IL-33 ANTIBODIES Final Rejection MedImmune Limited
17800387 CAR T CELLS TARGETING THE INTEGRIN ALPHAV BETA3 EXHIBIT ROBUST ANTI-TUMOR RESPONSES AGAINST GLIOMAS AND OTHER SOLID TUMOR MALIGNANCIES Non-Final OA University of Virginia Patent Foundation
18963973 TEMPERATURE-RESPONSIVE VIRUS STORAGE SYSTEM Final Rejection Trizell Ltd.
18538052 TEMPERATURE-RESPONSIVE VIRUS STORAGE SYSTEM Final Rejection Trizell Ltd.
18001947 HUMANIZED ACE2-FC FUSION PROTEIN FOR TREATMENT AND PREVENTION OF SARS-COV-2 INFECTION Non-Final OA NATIONAL TAIWAN UNIVERSITY
17904706 Bispecific GD2 and B7H3 Binding Molecules and Methods of Use Non-Final OA WISCONSIN ALUMNI RESEARCH FOUNDATION
16547907 EXPANSION OF HPSC-DERIVED GRANULOCYTIC AND LYMPHOID PROGENITORS WITH UM171 Final Rejection Wisconsin Alumni Research Foundation
18478247 ANTI-CD83 CHIMERIC ANTIGEN RECEPTOR EXPRESSING T REGULATORY CELLS Final Rejection H. Lee Moffitt Cancer Center and Research Institute, Inc.
18277367 TRUNCATED DOMAIN IV EGFR AND USES THEREOF Non-Final OA CITY OF HOPE
17789930 METHODS OF MAKING AND USING REGULATORY T CELLS AND EFFECTOR T CELLS HAVING CHIMERIC ANTIGEN RECEPTORS TARGETED TO CD6, CD19, AND/OR AN IL-13R FOR TREATMENT OF AUTOIMMUNE DISORDERS AND CANCERS Non-Final OA CITY OF HOPE
17922484 NEGATIVELY CHARGED PARTICLES FOR THE TREATMENT OF CYTOKINE STORM SYNDROME (CSS) AND ACUTE RESPIRATORY DISTRESS SYNDROME (ARDS) Final Rejection onCOUR Pharma, Inc.
17924013 Neoantigenic Epitopes Associated with SF3B1 Mutations Non-Final OA Institut National de la Santé et de la Recherche Médicale
18010783 ANTI-TISSUE FACTOR ANTIBODY-DRUG CONJUGATES AND THEIR USE IN THE TREATMENT OF CANCER Non-Final OA Genmab A/S
18153990 Chimeric Antigen Receptor (CAR) Comprising A CD19-Binding Domain Non-Final OA AUTOLUS LIMITED
18014554 COMBINATION THERAPY OF SUBSTANCE-P FOR MOBILIZATION OF HEMATOPOIETIC STEM CELLS Non-Final OA ELPHIS CELL THERAPEUTICS
18059369 MODIFIED HEMATOPOIETIC STEM/PROGENITOR AND NON-T EFFECTOR CELLS, AND USES THEREOF Final Rejection Seattle Children's Hospital d/b/a Seattle Children's Research Institute
18285417 HUMAN METAPNEUMOVIRUS COMBINATION VACCINE Non-Final OA Valneva SE
17788730 NOVEL ANTI-FGFR2B ANTIBODIES Final Rejection DIZAL (JIANGSU) PHARMACEUTICAL CO., LTD.

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