Prosecution Insights
Last updated: May 29, 2026

Examiner: DAHLE, CHUN WU

Tech Center 1600 • Art Units: 1641 1644

This examiner grants 50% of resolved cases

Performance Statistics

50.1%
Allow Rate
-9.9% vs TC avg
691
Total Applications
+51.8%
Interview Lift
1435
Avg Prosecution Days
Based on 651 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
20.0%
§102 Novelty
32.7%
§103 Obviousness
14.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18249708 INJECTABLE HYDROGELS FOR ADOPTIVE CELL THERAPY Non-Final OA The Board of Trustees of the Leland Stanford Junior University
19238328 ENGINEERED BISPECIFIC MOLECULES AND METHODS OF USE Final Rejection Cantai Therapeutics Inc.
18013864 METHODS TO GLYCOENGINEER PROTEINS Final Rejection THE JOHNS HOPKINS UNIVERSITY
17997171 TREATMENT AND PREVENTION OF ALLOREACTIVITY USING VIRUS-SPECIFIC IMMUNE CELLS EXPRESSING CHIMERIC ANTIGEN RECEPTORS Non-Final OA Baylor College of Medicine
18456317 OPTIMIZED Fc VARIANTS Non-Final OA Xencor, Inc.
17880358 IMMUNOGLOBULIN FC CONJUGATE WHICH MAINTAINS BINDING AFFINITY OF IMMUNOGLOBULIN FC FRAGMENT TO FCRN Final Rejection HANMI PHARM. CO., LTD.
17349482 POTENCY ASSAYS FOR ANTIBODY DRUG SUBSTANCE BINDING TO AN FC RECEPTOR Final Rejection GENMAB A/S
18100885 HUMANIZED ANTI-COMPLEMENT FACTOR C1Q ANTIBODIES AND USES THEREOF Non-Final OA Annexon, Inc.
18016436 SERUM STABLE BINDING PROTEINS FOR HUMAN HER2 FOR THERANOSTIC APPLICATIONS Non-Final OA Navigo Proteins GmbH
18303303 USE OF AN ANTI-CD19 ANTIBODY TO TREAT AUTOIMMUNE DISEASE Non-Final OA Viela Bio, Inc.
18245959 COMPOUND FOR THE SEQUESTRATION OF UNDESIRABLE ANTIBODIES IN A PATIENT Non-Final OA ABLEVIA BIOTECH GMBH
18162308 FUSION PROTEINS OF HUMAN PROTEIN FRAGMENTS TO CREATE ORDERLY MULTIMERIZED IMMUNOGLOBULIN FC COMPOSITIONS WITH ENHANCED FC RECEPTOR BINDING Non-Final OA Gliknik Inc.
18061755 COMPOSITIONS FOR INCREASING HALF-LIFE OF A THERAPEUTIC AGENT IN CANINES AND METHODS OF USE Non-Final OA Invetx, Inc.
17800630 MODIFIED FC REGIONS Non-Final OA adivo GmbH
17745667 POLYPEPTIDE VARIANTS AND USES THEREOF Final Rejection GENMAB B.V.
17684238 ANTI-DEATH RECEPTOR ANTIBODIES AND METHODS OF USE THEREOF Final Rejection GENMAB B.V.
17622333 ANTIBODIES FOR BINDING PSMA WITH REDUCED AFFINITY FOR THE NEONATAL FC RECEPTOR Final Rejection Telix Pharmaceuticals (Innovations) Pty Ltd
16772244 VARIANTS WITH FC FRAGMENT HAVING AN INCREASED AFFINITY FOR FCRN AND AN INCREASED AFFINITY FOR AT LEAST ONE RECEPTOR OF THE FC FRAGMENT Final Rejection LABORATOIRE FRANÇAIS DU FRACTIONNEMENT ET DES BIOTECHNOLOGIES
16317987 BISPECIFIC PROTEINS AND METHODS FOR PREPARING SAME Final Rejection Ibentrus, Inc.

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