Prosecution Insights
Last updated: August 18, 2026

Examiner: KIM, YUNSOO

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

This examiner grants 66% of resolved cases

Performance Statistics

65.8%
Allow Rate
+5.8% vs TC avg
992
Total Applications
+34.8%
Interview Lift
1323
Avg Prosecution Days
Based on 936 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.3%
§102 Novelty
37.7%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17783229 ANTI-PD-L1 ANTIBODY FORMULATIONS Final Rejection Genentech, Inc.
17542138 METHOD FOR REGENERATION OF AN OVERLOAD CHROMATOGRAPHY COLUMN Final Rejection Genentech, Inc.
18176844 THERAPEUTIC ANTIBODY FORMULATION Non-Final OA Eli Lilly and Company
19248893 METHODS OF REDUCING PARTICLE FORMATION AND COMPOSITIONS FORMED THEREBY Non-Final OA Regeneron Pharmaceuticals, Inc.
19217541 PROCESS FOR REDUCING SUBVISIBLE PARTICLES IN A PHARMACEUTICAL FORMULATION Non-Final OA Regeneron Pharmaceuticals, Inc.
18105772 Stabilized Formulations Containing Anti-IL-33 Antibodies Non-Final OA Regeneron Pharmaceuticals, Inc.
18011412 TYPE 2 CYTOKINES AS PREDICTORS OF DISEASE SEVERITY AND/OR AS THERAPEUTIC TARGETS FOR COVID-19 Non-Final OA University of Virginia Patent Foundation
17335680 Method for the reduction of host cell proteins in affinity chromatography Non-Final OA Hoffmann-La Roche Inc.
18046450 FORMULATION FOR ANTI-ALPHA4BETA7 ANTIBODY Final Rejection Takeda Pharmaceutical Company Limited
16817671 PLASMA KALLIKREIN INHIBITORS AND USES THEREOF FOR TREATING HEREDITARY ANGIOEDEMA ATTACK Final Rejection Takeda Pharmaceutical Company Limited
18620109 MULTIPLE FUNCTIONALIZED noMV CONJUGATES Non-Final OA GLAXOSMITHKLINE BIOLOGICALS SA
18054076 METHODS OF TREATMENT USING ANTI-CD123 IMMUNOCONJUGATES Final Rejection ImmunoGen, Inc.

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