Prosecution Insights
Last updated: April 19, 2026

Examiner: OUSPENSKI, ILIA I

Tech Center 1600 • Art Units: 1644

This examiner grants 78% of resolved cases

Performance Statistics

77.5%
Allow Rate
+17.5% vs TC avg
1139
Total Applications
+20.5%
Interview Lift
1034
Avg Prosecution Days
Based on 1097 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
19.1%
§102 Novelty
10.6%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18334531 METHODS OF TREATING CANCER USING PD-1 AXIS BINDING ANTAGONISTS AND TIGIT INHIBITORS Non-Final OA Genentech, Inc.
17926254 COMPOSITIONS AND METHODS FOR PRODUCING HUMAN POLYCLONAL ANTIBODIES Final Rejection FLAGSHIP PIONEERING INNOVATIONS VI, LLC
17275117 COMPOSITIONS AND METHODS FOR IMMUNOTHERAPY PROFILING Final Rejection Georgia Tech Research Corporation
18317241 ANTI-LAG3 ANTIBODIES AND USES THEREOF Non-Final OA Regeneron Pharmaceuticals, Inc.
18251823 METHOD OF TREATING A TUMOR WITH A COMBINATION OF AN IL-7 PROTEIN AND A NUCLEOTIDE VACCINE Non-Final OA Washington University
18167725 METHODS OF ADMINISTERING CHIMERIC ANTIGEN RECEPTOR IMMUNOTHERAPY Non-Final OA Kite Pharma, Inc.
18365110 TARGETING OF PERI-NECROTIC TUMOR CELLS Non-Final OA Fred Hutchinson Cancer Center
17639654 Use of Calcineurin Inhibitor Free CTLA4-IG + Anti-IL6/IL6R For Long Term Immunosuppression in Solid Organ Transplant Recipients Final Rejection Cedars-Sinai Medical Center
17727309 ANTI-ICOS ANTIBODIES Non-Final OA Kymab Limited
17725228 SYNERGISTIC COMBINATIONS OF OX40L ANTIBODIES FOR THE TREATMENT OF GVHD Non-Final OA Kymab Limited
18285996 ANTI-CD73 ANTIBODIES Non-Final OA CANCER RESEARCH TECHNOLOGY LIMITED
18309700 ANTI-PD1 ANTIBODIES AND THEIR USE AS THERAPEUTICS AND DIAGNOSTICS Non-Final OA BEIGENE SWITZERLAND GMBH
18278388 PREPARATION OF SIGLEC-15 BINDING PROTEIN AND USE THEREOF Non-Final OA JIANGXI JEMINCARE GROUP CO., LTD.
18308232 ANTIBODIES THAT MODULATE A BIOLOGICAL ACTIVITY EXPRESSED BY A CELL Non-Final OA Merus N.V.
17926123 COMPOSITIONS AND METHODS FOR TREATING NONINFLAMMATORY PAIN IN SUBJECTS WITH RHEUMATOID ARTHRITIS Non-Final OA SANOFI BIOTECHNOLOGY
18265055 NOVEL FORMULATIONS FOR ANTIBODIES Non-Final OA Hexal AG
17361621 RECEPTORS PROVIDING TARGETED COSTIMULATION FOR ADOPTIVE CELL THERAPY Final Rejection Instil Bio (UK) Limited
18190425 Immunologic Treatment of Cancer Non-Final OA ImmunSYS, Inc.
18183681 Combined chimeric antigen receptor targeting CD19 and CD20 and application thereof Non-Final OA AbelZeta, Inc.
18121557 INTESTINAL EXPRESSION OF PROGRAMMED DEATH LIGAND 1 Non-Final OA ENGENE, INC.
18063521 FC BINDING FRAGMENTS COMPRISING A PD-L1 ANTIGEN-BINDING SITE Non-Final OA F-star Therapeutics Limited
18061791 ANTI-CD277 ANTIBODIES AND USES THEREOF Non-Final OA UNIVERSITE DE NANTES

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