Prosecution Insights
Last updated: May 29, 2026

Examiner: CARTER, SANDRA DILLAHUNT

Tech Center 1600 • Art Units: 1646 1674 1699

This examiner grants 56% of resolved cases

Performance Statistics

55.8%
Allow Rate
-4.2% vs TC avg
550
Total Applications
+29.6%
Interview Lift
1283
Avg Prosecution Days
Based on 511 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
11.5%
§102 Novelty
36.0%
§103 Obviousness
30.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17161929 CHO CELL EXPRESSED HET IL-15 Non-Final OA NOVARTIS AG
17708660 METHODS FOR TREATING IL-6 MEDIATED INFLAMMATION WITHOUT IMMUNOSUPPRESSION Final Rejection Novo Nordisk A/S
17741095 DESIGNED IL-2 VARIANTS Final Rejection The Board of Trustees of the Leland Stanford Junior University
19254656 CYTOKINE COMPOSITIONS AND METHODS OF USE THEREOF Final Rejection Zahav Bioscience LLC
17920942 CD25-TARGETED IL-2 FOR INCREASING CD4 T CELL FORMATION AND TREATMENT OF INFECTIONS Final Rejection UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
17924066 MODULATION OF MIXED LINEAGE KINASE DOMAIN-LIKE PROTEIN SIGNALING Non-Final OA EBERHARD KARLS UNIVERSITÄT TÜBINGEN
18838513 MASKED IL12 PROTEIN Final Rejection Tagworks Pharmaceuticals B.V.
18035249 USE OF IFN-LAMBDA MRNA FOR TREATING VIRAL INFECTIONS Non-Final OA ethris GmbH
18351442 COMPOSITIONS AND METHODS FOR SELECTIVE ELIMINATION AND REPLACEMENT OF HEMATOPOIETIC STEM CELLS Non-Final OA Poseida Therapeutics, Inc.
18259309 METHODS USING ANTI-SLC3A2 AUTOANTIBODIES AND SLC3A2 FOR DETECTION OF GLIOMA BRAIN TUMOR FROM PATIENT SERUM Non-Final OA Istanbul Üniversitesi
18312245 ACTIVATABLE CYTOKINE POLYPEPTIDES AND METHODS OF USE THEREOF Final Rejection Werewolf Therapeutics, Inc.
17961397 MULTI-LIGAND DRUG CONJUGATES AND USES THEREOF Non-Final OA COHERENT BIOPHARMA I, LIMITED
17935690 DEGRADER-ANTIBODY CONJUGATES AND METHODS OF USING SAME Non-Final OA Anglex, Inc.
17819254 TREATMENT OF CORONAVIRUS INFECTION WITH INTERFERON LAMBDA Non-Final OA EIT Pharma, Inc.
17760279 TREATMENT OF CORONAVIRUS INFECTION WITH INTERFERON LAMBDA Non-Final OA EIT Pharma, Inc.
17555483 Polypeptides in Preparation of Drugs for Treatment or Prevention of Rheumatoid Arthritis Non-Final OA Hanmei XU
16356483 METHODS AND COMPOSITIONS FOR INHIBITION OF EGF/EGFR PATHWAY IN COMBINATION WITH TYROSINE KINASE INHIBITORS Final Rejection In3Bio Ltd.

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