Prosecution Insights
Last updated: May 29, 2026

Examiner: BELYAVSKYI, MICHAIL A

Tech Center 1600 • Art Units: 1644 1653

This examiner grants 64% of resolved cases

Performance Statistics

63.8%
Allow Rate
+3.8% vs TC avg
1,174
Total Applications
+27.5%
Interview Lift
1145
Avg Prosecution Days
Based on 1100 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
11.2%
§102 Novelty
34.2%
§103 Obviousness
12.5%
§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.
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
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
18963973 TEMPERATURE-RESPONSIVE VIRUS STORAGE SYSTEM Final Rejection Trizell Ltd.
18538052 TEMPERATURE-RESPONSIVE VIRUS STORAGE SYSTEM Final Rejection Trizell Ltd.
17923029 METHODS FOR TREATING OR REDUCING THE SEVERITY OF A VIRAL INFECTION Non-Final OA Washington 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.
18421826 METHODS FOR MANUFACTURING T CELLS EXPRESSING OF CHIMERIC ANTIGEN RECEPTORS AND OTHER RECEPTORS Final Rejection City of Hope
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
17788730 NOVEL ANTI-FGFR2B ANTIBODIES Final Rejection DIZAL (JIANGSU) PHARMACEUTICAL CO., LTD.
18278956 ANTIBODIES THAT BIND CD123 AND GAMMA-DELTA T CELL RECEPTORS Non-Final OA LAVA THERAPEUTICS N.V.
18082841 CHIMERIC ANTIGEN RECEPTOR REGENERATIVE GAMMA DELTA T CELLS Final Rejection CREATIVE MEDICAL TECHNOLOGIES, INC.
17926454 BICYCLIC PEPTIDE LIGANDS SPECIFIC FOR NECTIN-4 AND USES THEREOF Final Rejection BicycleTx Limited
18030225 METHODS FOR TREATING CANCERS WITH ANTIBODY DRUG CONJUGATES (ADC) THAT BIND TO 191P4D12 PROTEINS Non-Final OA SEAGEN INC.
17618076 Soluble Complement Receptor Type 1 Variant Conjugates and Uses Thereof Final Rejection CSL Innovation Pty., Ltd.
18174565 COMPOSITIONS AND METHODS OF CELLULAR IMMUNOTHERAPY Non-Final OA CRAGE medical Co., Limited
18250422 METHODS OF INDUCING ANTIBODY-DEPENDENT CELLULAR CYTOTOXICITY (ADCC) USING MODIFIED NATURAL KILLER (NK) CELLS Non-Final OA Shoreline Biosciences, Inc.
17028300 TREATMENT METHODS UTILIZING STEM CELL MOBILIZERS AND IMMUNOSUPPRESSIVE AGENTS Final Rejection MedRegen, LLC

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