Prosecution Insights
Last updated: May 29, 2026

Examiner: PATTERSON, SARAH COOPER

Tech Center 1600 • Art Units: 1675

This examiner grants 59% of resolved cases

Performance Statistics

58.6%
Allow Rate
-1.4% vs TC avg
102
Total Applications
+56.4%
Interview Lift
1402
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
2.8%
§102 Novelty
38.7%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17872225 METHODS FOR TREATING CHRONIC SPONTANEOUS URTICARIA BY ADMINISTERING AN IL-4R ANTAGONIST Final Rejection REGENERON PHARMACEUTICALS, INC.
17849075 METHODS AND COMPOSITIONS FOR INHIBITING P97 Final Rejection California Institute of Technology
17769722 NEONATAL FC RECEPTOR BINDING AFFIMERS Final Rejection LG CHEM, LTD.
19237968 DUAL CSF1-IL-10 CYTOKINE Final Rejection FUNDACIÓ CENTRE DE REGULACIÓ GENÒMICA
17637682 METHODS AND COMPOSITIONS FOR TREATING PAX6-DEFICIENCY RELATED DISEASE Final Rejection RAMOT AT TEL-AVIV UNIVERSITY LTD
17920503 STRUCTURALLY-STABILIZED AND HDMX-SELECTIVE P53 PEPTIDES AND USES THEREOF Non-Final OA Dana-Farber Cancer Institute, Inc.
17622504 METHODS AND MATERIALS FOR TARGETED EXPANSION OF REGULATORY T CELLS Non-Final OA The Johns Hopkins University
17537816 CYTOKINE COCKTAILS FOR SELECTIVE EXPANSION OF T CELL SUBSETS Non-Final OA CHILDREN'S NATIONAL MEDICAL CENTER
17774298 HLA RESTRICTED HORMAD1 T CELL RECEPTORS AND USES THEREOF Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
17764104 IMMUNOGENIC EGFR PEPTIDE COMPOSITIONS AND THEIR USE IN THE TREATMENT OF CANCER Final Rejection Board of Regents, The University of Texas System
18302630 METHOD OF CREATING HUMAN PLURIPOTENT STEM CELL DERIVED BRAIN PERICYTE-LIKE CELLS Non-Final OA Wisconsin Alumni Research Foundation
17799503 NOVEL T CELL RECEPTORS (TCRS) THAT REACT TO NEOANTIGENS Non-Final OA H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.
17769642 COMPOSITIONS AND METHODS FOR INHIBITION OF CELL-PENETRATING ANTIBODIES Non-Final OA Yale University
17906467 MULTIVALENT CHEMOKINE RECEPTOR BINDING COMPLEXES Non-Final OA CITY OF HOPE
17914261 MASKED IL12 FUSION PROTEINS AND METHODS OF USE THEREOF Non-Final OA Zymeworks BC Inc.
17926673 IMPROVED GRANZYME B VARIANT Non-Final OA Chugai Seiyaku Kabushiki Kaisha
17692755 IL15/IL15Ralpha HETERODIMERIC Fc-FUSION PROTEINS Non-Final OA Xencor, Inc.
17420556 mRNA Vaccine Final Rejection eTheRNA Immunotherapies NV
17599921 Fc-MODIFIED BIOLOGICALS FOR LOCAL DELIVERY TO COMPARTMENT, IN PARTICULAR TO THE CNS Non-Final OA Universität Zürich
17763973 STING AGONIST COMPRISING EXOSOMES COMBINED WITH IL-12 DISPLAYING EXOSOMES FOR TREATING A TUMOUR Final Rejection LONZA SALES AG
18002613 Polypeptides Comprising Modified IL-2 Polypeptides and Uses Thereof Non-Final OA Inhibrx Biosciences, Inc.
17777088 INTERLEUKIN 15 FUSION PROTEINS AND PRODRUGS, AND COMPOSITIONS AND METHODS THEREOF Non-Final OA IMMUNE TARGETING INC.
17490516 MULTIMERIC T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF Final Rejection Cue Biopharma, Inc.
17930319 INTERLEUKIN-2 POLYPEPTIDE CONJUGATES AND METHODS OF USE THEREOF Non-Final OA Ambrx, Inc.
18046670 ANTIGEN POOL Non-Final OA Enara Bio Limited
18046675 FUSION PROTEINS OF CTL ANTIGENS FOR TREATING MELANOMA Non-Final OA Enara Bio Limited
17909658 COMBINED USE OF CTB006 AND PONATINIB Non-Final OA Beijing Sinotau Bio-Pharmaceuticals Technology Co., Ltd.
17642089 ANTI-ONCOLYTIC VIRUS ANTIGEN ANTIBODIES AND METHODS OF USING SAME Final Rejection UVic Industry Partnerships Inc.
17210454 COMPOSITIONS AND METHODS FOR TREATMENT OF INTRACELLULAR DAMAGE AND BACTERIAL INFECTION Final Rejection Prince Biotech, LLC
17634890 IL-2 FUSION PROTEINS THAT PREFERENTIALLY BIND IL-2RALPHA Final Rejection ASKGENE PHARMA, INC.

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