Prosecution Insights
Last updated: May 29, 2026

Examiner: DONOGHUE, BRITTNEY ERIN

Tech Center 1600 • Art Units: 1646 1649 1675

This examiner grants 60% of resolved cases

Performance Statistics

59.8%
Allow Rate
At TC average
130
Total Applications
+55.2%
Interview Lift
1277
Avg Prosecution Days
Based on 92 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
4.2%
§102 Novelty
57.7%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17887565 IL27 RECEPTOR AGONISTS AND METHODS OF USE THEREOF Non-Final OA Regeneron Pharmaceuticals, Inc.
17276106 HUMAN ANTI-IL-33 MONOCLONAL ANTIBODY-CONTAINING PHARMACEUTICAL COMPOSITION Non-Final OA Mitsubishi Tanabe Pharma Corporation
17778361 NOVEL MULTISPECIFIC ANTIBODY FORMAT Non-Final OA AMGEN INC.
17017576 THERAPEUTIC COMBINATION OF 4-1 BB AGONISTS WITH ANTI-CD20 ANTIBODIES Final Rejection Hoffmann-La Roche Inc.
17600600 COMBINATIONS OF TRANSCRIPTION INHIBITORS AND IMMUNE CHECKPOINT INHIBITORS FOR TREATMENT OF DISEASE Final Rejection Board of Regents, The University of Texas System
17611849 EXPRESSION OF ANTIGEN-BINDING PROTEINS IN THE NERVOUS SYSTEM Final Rejection SANOFI
17265731 Enhanced Delivery of Drugs and Other Compounds to the Brain and Other Tissues Non-Final OA Duke University
17430628 Methods for Treating TNFa-Related Diseases Final Rejection Celltrion Inc.
17366648 NSP-INTERLEUKIN-10 PROTEINS AND USES THEREOF Non-Final OA UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
18158767 METHODS FOR TREATMENT OF SUBJECTS WITH PLAQUE PSORIASIS OF THE SCALP Non-Final OA SUN PHARMACEUTICAL INDUSTRIES LIMITED
17778168 COMPOSITION FOR ANTICANCER TREATMENT, COMPRISING NK CELLS AND FUSION PROTEIN WHICH COMPRISES IL-2 PROTEIN AND CD80 PROTEIN Final Rejection GI CELL, INC.
18175347 BCMA-TARGETED CAR-T CELL THERAPY FOR MULTIPLE MYELOMA Non-Final OA LEGEND BIOTECH USA INC.
18260682 ANTI-PD-L1/ANTI-CD47 NATURAL ANTIBODY STRUCTURE-LIKE HETERODIMERIC FORM BISPECIFIC ANTIBODY AND PREPARATION THEREOF Non-Final OA BEIJING HANMI PHARMACEUTICAL CO., LTD.
18260596 ANTIBODY SPECIFICALLY BINDING TO 4-1BB AND ANTIGEN-BINDING FRAGMENT OF ANTIBODY Non-Final OA BEIJING HANMI PHARMACEUTICAL CO., LTD.
17775492 METHODS OF TREATING HER2 POSITIVE BREAST CANCER WITH TUCATINIB IN COMBINATION WITH AN ANTI-HER2 ANTIBODY-DRUG CONJUGATE Non-Final OA Seagen Inc.
18021979 PEPTIDE FOR THERAPEUTIC APPLICATIONS IN THE DERMATOLOGICAL FIELD Non-Final OA Dompe' Farmaceutici S.P.A.
18021561 ANALOGS OF HUMAN FIBROBLAST GROWTH FACTORS Non-Final OA ENERGESIS PHARMACEUTICALS, INC.
18041423 INCREASING THE EFFICACY OF BIOLOGICAL THERAPEUTIC MOLECULES Non-Final OA Kyon Biotech AG
17926560 CAR-Treg-Based Therapies Targeting Myelin Oligodendrocyte Glycoprotein (MOG) for Treating Neurodegenerative Diseases Non-Final OA AZTherapies, Inc.
17756320 CD7-CAR-T CELL AND PREPARATION AND APPLICATION THEREOF Non-Final OA PERSONGEN BIOTHERAPEUTICS (SUZHOU) CO., LTD.
17603707 THERAPEUTIC COMBINATIONS, LIQUID PHARMACEUTICAL COMPOSITIONS, KITS FOR THEIR PREPARATION, AND METHODS OF THEIR USE Final Rejection PrevEp, Inc.

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