Prosecution Insights
Last updated: April 19, 2026

Examiner: KIM, YUNSOO

Tech Center 1600 • Art Units: 1641 1644 1645 1674

This examiner grants 66% of resolved cases

Performance Statistics

65.6%
Allow Rate
+5.6% vs TC avg
976
Total Applications
+34.9%
Interview Lift
1390
Avg Prosecution Days
Based on 914 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
6.6%
§102 Novelty
37.0%
§103 Obviousness
12.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16817671 PLASMA KALLIKREIN INHIBITORS AND USES THEREOF FOR TREATING HEREDITARY ANGIOEDEMA ATTACK Non-Final OA Takeda Pharmaceutical Company Limited
17542138 METHOD FOR REGENERATION OF AN OVERLOAD CHROMATOGRAPHY COLUMN Non-Final OA Genentech, Inc.
17699868 METHODS FOR REDUCING TOXICITY OF A CHEMOTHERAPEUTIC DRUG Final Rejection Mayo Foundation for Medical Education and Research
17928561 ANTIBODY FORMULATIONS AND USES THEREOF Non-Final OA Amgen Inc.
17281896 METHODS FOR REDUCING AGGREGATION OF BISPECIFIC ANTIBODIES Non-Final OA AMGEN INC.
17628189 LYOPHILIZED ANTIBODY FORMULATION Non-Final OA ICHNOS SCIENCES SA
17335680 Method for the reduction of host cell proteins in affinity chromatography Final Rejection Hoffmann-La Roche Inc.
19248893 METHODS OF REDUCING PARTICLE FORMATION AND COMPOSITIONS FORMED THEREBY Final Rejection Regeneron Pharmaceuticals, Inc.
18620255 PROCESS FOR PURIFICATION OF FUSION PROTEIN Non-Final OA Kashiv BioSciences, LLC
18336889 COMPOSITIONS COMPRISING AN ANTI-LAG-3 ANTIBODY OR AN ANTI-LAG-3 ANTIBODY AND AN ANTI-PD-1 OR ANTI-PD-L1 ANTIBODY Non-Final OA Bristol-Myers Squibb Company
19190045 RISANKIZUMAB COMPOSITIONS Non-Final OA ABBVIE INC.
17417871 PREPARATION INCLUDING VACCINE ADJUVANT Final Rejection Sumitomo Pharma Co., Ltd.
19070188 COMPOSITIONS AND METHODS FOR TREATING MULTIPLE SYSTEM ATROPHY (MSA) Non-Final OA H. Lundbeck A/S
18176844 THERAPEUTIC ANTIBODY FORMULATION Non-Final OA Eli Lilly and Company
19045166 STABLE, AQUEOUS FORMULATIONS OF ANTIBODIES THAT BIND IL5 RECEPTOR Final Rejection ASTRAZENECA AB
17755801 TYPE I INTERFERON INHIBITION IN SYSTEMIC LUPUS ERYTHEMATOSUS Final Rejection ASTRAZENECA AB
18011412 TYPE 2 CYTOKINES AS PREDICTORS OF DISEASE SEVERITY AND/OR AS THERAPEUTIC TARGETS FOR COVID-19 Final Rejection University of Virginia Patent Foundation
18926209 METHOD OF TREATING PRECLINICIAL ALZHEIMER'S DISEASE Final Rejection AC IMMUNE SA
18907018 Particle Formation And Morphology Final Rejection Elektrofi, Inc.
17292423 REGULATORY T CELL (TREG) COMPOSITIONS AND METHODS FOR TREATING NEURODEGENERATIVE DISEASE Non-Final OA THE METHODIST HOSPITAL
16640914 ANTIBODY-DRUG CONJUGATE PREPARATION AND LYOPHILIZATION FOR SAME Non-Final OA DAIICHI SANKYO COMPANY, LIMITED
15761777 Method Of Preparing A Therapeutic Protein Formulation And Antibody Formulation Produced By Such A Method Final Rejection PFIZER INC.
18152872 Pharmaceutical Formulations Non-Final OA UCB BIOPHARMA SRL
18199675 FORMULATIONS OF ANTIBODY Non-Final OA BIOCON LIMITED
18257600 CONJUGATED AFLATOXIN B TO PROTECT AGAINST MYCOTOXICOSIS Non-Final OA Intervet Inc.
17738131 HIGH CONCENTRATION ANTI-C5 ANTIBODY FORMULATIONS Non-Final OA Alexion Pharmaceuticals, Inc.
17914087 PHARMACEUTICAL COMPOSITION COMPRISING ANTIBODY DRUG CONJUGATE AND USE THEREOF Final Rejection SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD.
18176155 HIGHLY CONCENTRATED LOW VISCOSITY MASP-2 INHIBITORY ANTIBODY FORMULATIONS, KITS, AND METHODS Non-Final OA Omeros Corporation
16634497 REAGENTS FOR EXPANDING CELLS EXPRESSING RECOMBINANT RECEPTORS Non-Final OA Juno Therapeutics, Inc.
18036546 STABLE AQUEOUS HIGH CONCENTRATION FORMULATION OF INTEGRIN ANTIBODY Non-Final OA DR. REDDY’S LABORATORIES LIMITED

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