Prosecution Insights
Last updated: May 29, 2026

Examiner: KIM, YUNSOO

Tech Center 1600 • Art Units: 1641 1644 1645 1674 1699

This examiner grants 66% of resolved cases

Performance Statistics

65.6%
Allow Rate
+5.6% vs TC avg
980
Total Applications
+35.2%
Interview Lift
1324
Avg Prosecution Days
Based on 924 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
7.5%
§102 Novelty
42.1%
§103 Obviousness
13.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19248893 METHODS OF REDUCING PARTICLE FORMATION AND COMPOSITIONS FORMED THEREBY Final Rejection Regeneron Pharmaceuticals, 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.
17335680 Method for the reduction of host cell proteins in affinity chromatography Final Rejection Hoffmann-La Roche Inc.
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.
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
18926209 METHOD OF TREATING PRECLINICIAL ALZHEIMER'S DISEASE Final Rejection AC IMMUNE SA
16640914 ANTIBODY-DRUG CONJUGATE PREPARATION AND LYOPHILIZATION FOR SAME Non-Final OA DAIICHI SANKYO COMPANY, LIMITED
18152872 Pharmaceutical Formulations Non-Final OA UCB BIOPHARMA SRL
17738131 HIGH CONCENTRATION ANTI-C5 ANTIBODY FORMULATIONS Non-Final OA Alexion Pharmaceuticals, Inc.
18257600 CONJUGATED AFLATOXIN B TO PROTECT AGAINST MYCOTOXICOSIS Non-Final OA Intervet Inc.
18046450 FORMULATION FOR ANTI-ALPHA4BETA7 ANTIBODY Final Rejection Takeda Pharmaceutical Company Limited
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
18022069 SIALYLATED GLYCOPROTEINS Non-Final OA Momenta Pharmaceuticals, Inc.
18276394 METHOD AND COMBINATION FOR TREATING TUMORS Non-Final OA CURON BIOPHARMACEUTICAL (SHANGHAI) CO., LIMITED
18262419 DUAL BINDING ANTIBODIES, METHODS OF PRODUCING DUAL BINDING ANTIBODIES, AND USES THEREOF Non-Final OA Biolojic Design Ltd.
18348722 LYOPHILIZATION PROCESS AND A TEVERELIX-TFA LYOPHILIZATE OBTAINED THEREBY Non-Final OA Antev Limited
17289602 FORMULATIONS OF MULTISPECIFIC ANTIBODIES BINDING PD-L1 AND CD137 Non-Final OA BIONTECH SE
18256422 PROTEIN-DRUG CONJUGATE AND SITE-SPECIFIC CONJUGATING METHOD Non-Final OA NONA BIOSCIENCES (SHANGHAI) CO., LTD.
17802927 METHODS AND COMPOSITIONS FOR PREVENTING ADSORPTION OF THERAPEUTIC PROTEINS TO DRUG DELIVERY SYSTEM COMPONENTS Non-Final OA Aptevo Research and Development LLC
18000851 ANTIBODY FORMULATION DILUENT Non-Final OA IGI Therapeutics SA
18054076 METHODS OF TREATMENT USING ANTI-CD123 IMMUNOCONJUGATES Non-Final OA ImmunoGen, Inc.
17821945 Use of Pharmaceutical Compositions of a HER2/neu Antibody Non-Final OA TERSERA THERAPEUTICS LLC
17807211 METHOD FOR THE PRODUCTION OF BISPECIFIC FCYRIII X CD30 ANTIBODY CONSTRUCT Non-Final OA Affimed GmbH
17786094 STABLE HIGH-CONCENTRATION FORMULATION OF NIMOTUZUMAB ANTIBODY Final Rejection Centro de Immunología Molecular

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