Prosecution Insights
Last updated: April 19, 2026

Examiner: CARTER, SANDRA DILLAHUNT

Tech Center 1600 • Art Units: 1646 1674

This examiner grants 55% of resolved cases

Performance Statistics

55.4%
Allow Rate
-4.6% vs TC avg
545
Total Applications
+29.6%
Interview Lift
1416
Avg Prosecution Days
Based on 504 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
15.6%
§102 Novelty
20.9%
§103 Obviousness
36.3%
§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
19254656 CYTOKINE COMPOSITIONS AND METHODS OF USE THEREOF Final Rejection Zahav Bioscience LLC
18358510 CYTOKINE COMPOSITIONS AND METHODS OF USE THEREOF Non-Final OA Zahav Bioscience LLC
17741095 DESIGNED IL-2 VARIANTS Final Rejection The Board of Trustees of the Leland Stanford Junior University
17908415 PROTEIN NANOPARTICLE DESIGN AND APPLICATION Non-Final OA Duke University
18838513 MASKED IL12 PROTEIN Final Rejection Tagworks Pharmaceuticals B.V.
17927257 LIQUID FORMULATION Non-Final OA HANMI PHARM CO., LTD.
18481833 Adenovirus armed with bispecific T cell activator Final Rejection AKAMIS BIO, INC.
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.
18035249 USE OF IFN-LAMBDA MRNA FOR TREATING VIRAL INFECTIONS Non-Final OA ethris GmbH
18027675 INTERFERON TAU FC-FUSION PROTEINS AND METHODS FOR TREATING CORONAVIRUS INFECTIONS Non-Final OA Southlake Pharmaceuticals, Inc.
17909066 LIVE-PATHOGEN-MIMETIC NANOPARTICLES BASED ON PATHOGEN CELL WALL SKELETON, AND PRODUCTION METHOD THEREOF Final Rejection Progeneer Inc.
17981930 LIGHT CHAIN IMMUNOGLOBULIN FUSION PROTEINS AND METHODS OF USE THEREOF Final Rejection Stephen D. Gillies
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.
17797208 METHODS FOR PREVENTING AND REVERSING OPIOID ANALGESIC TOLERANCE IN SUBJECTS WITH CHRONIC PAIN Final Rejection The Reasearch Foundation for Suny
17784186 NOVEL INTERLEUKIN-15 (IL-15) FUSION PROTEINS AND USES THEREOF Non-Final OA Cugene Inc
16356483 METHODS AND COMPOSITIONS FOR INHIBITION OF EGF/EGFR PATHWAY IN COMBINATION WITH TYROSINE KINASE INHIBITORS Final Rejection In3Bio Ltd.

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