Prosecution Insights
Last updated: May 29, 2026

Examiner: OUSPENSKI, ILIA I

Tech Center 1600 • Art Units: 1644

This examiner grants 78% of resolved cases

Performance Statistics

77.6%
Allow Rate
+17.6% vs TC avg
1,152
Total Applications
+20.3%
Interview Lift
967
Avg Prosecution Days
Based on 1102 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
22.6%
§102 Novelty
12.4%
§103 Obviousness
19.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18317241 ANTI-LAG3 ANTIBODIES AND USES THEREOF Non-Final OA Regeneron Pharmaceuticals, Inc.
18334531 METHODS OF TREATING CANCER USING PD-1 AXIS BINDING ANTAGONISTS AND TIGIT INHIBITORS Non-Final OA Genentech, Inc.
17275117 COMPOSITIONS AND METHODS FOR IMMUNOTHERAPY PROFILING Final Rejection Georgia Tech Research Corporation
19092659 Treatment for colorectal cancer using immune checkpoint inhibitors Non-Final OA Mirror Biologics, Inc.
17999898 IMMUNOMODULATORY COMPLEX AND USES THEREOF FOR THERAPY Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18251823 METHOD OF TREATING A TUMOR WITH A COMBINATION OF AN IL-7 PROTEIN AND A NUCLEOTIDE VACCINE Non-Final OA Washington University
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
18248651 BINDING MOLECULES THAT MULTIMERISE CD45 Non-Final OA UCB BIOPHARMA SRL
18174925 BISPECIFIC ANTIBODY FOR ICOS AND PD-L1 Final Rejection KYMAB LIMITED
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
18452395 BISPECIFIC IMMUNOMODULATORY ANTIBODIES THAT BIND COSTIMULATORY AND CHECKPOINT RECEPTORS Non-Final OA Xencor, Inc.
17819234 NOVEL ANTIBODIES AND COMBINED USE OF A TREG DEPLETING ANTIBODY AND AN IMMUNOSTIMULATORY ANTIBODY Non-Final OA CANCER RESEARCH TECHNOLOGY LIMITED
17706028 ANTI CD25 FC GAMMA RECEPTOR BISPECIFIC ANTIBODIES FOR TUMOR SPECIFIC CELL DEPLETION Final Rejection Cancer Research Technology Limited
18309700 ANTI-PD1 ANTIBODIES AND THEIR USE AS THERAPEUTICS AND DIAGNOSTICS Non-Final OA BEIGENE SWITZERLAND GMBH
18365110 TARGETING OF PERI-NECROTIC TUMOR CELLS Non-Final OA Fred Hutchinson Cancer Center
18278388 PREPARATION OF SIGLEC-15 BINDING PROTEIN AND USE THEREOF Non-Final OA JIANGXI JEMINCARE GROUP CO., LTD.
18212218 PD1-41BBL FUSION PROTEIN AND METHODS OF USE THEREOF Final Rejection KAHR Medical Ltd.
18265055 NOVEL FORMULATIONS FOR ANTIBODIES Non-Final OA Hexal AG
18190425 Immunologic Treatment of Cancer Non-Final OA ImmunSYS, Inc.
18121557 INTESTINAL EXPRESSION OF PROGRAMMED DEATH LIGAND 1 Non-Final OA ENGENE, INC.
18004613 FUSION PROTEIN INCLUDING COMPLEMENT PATHWAY INHIBITOR AND ANGIOGENESIS INHIBITOR AND USE THEREOF Non-Final OA KANAPH THERAPEUTICS INC.
18018778 ANTI-CD133 SINGLE-CHAIN ANTIBODY AND USE THEREOF IN PREPARATION OF DRUG FOR TREATING TUMOR Non-Final OA Beijing Neurosurgical Institute
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 Nantes Université
17779908 METHODS AND PRODUCTS FOR REDUCING SIDE EFFECTS ASSOCIATED WITH USE OF IMMUNE AGONIST ANTIBODIES Non-Final OA The Flinders University of South Australia

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