Prosecution Insights
Last updated: May 29, 2026

Examiner: MCNEIL, STEPHANIE A N

Tech Center 1600 • Art Units: 1653

This examiner grants 11% of resolved cases

Performance Statistics

10.9%
Allow Rate
-49.1% vs TC avg
364
Total Applications
+10.1%
Interview Lift
1893
Avg Prosecution Days
Based on 320 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
8.5%
§102 Novelty
71.6%
§103 Obviousness
2.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16556645 CELL MASS OR CELL STRUCTURE-EMBEDDING AGENT, CELL MASS OR CELL STRUCTURE-CONTAINING COMPOSITION, AND KIT Final Rejection FUJIFILM Corporation
18414253 INFECTED CELL CULTURES Final Rejection Merck Patent GmbH
17636721 METHODS FOR ISOLATING SPIDER SILK PROTEINS VIA HIGH SHEAR SOLUBILIZATION Final Rejection Bolt Threads, Inc.
18512545 Use of a Laminin for Differentiating Pluripotent Cells into Hepatocyte Lineage Cells Final Rejection Université de Nantes
17894936 COMPOSITION FOR INDUCING CHONDROCYTE DIFFERENTIATION AND REGENERATING CARTILAGE TISSUE Final Rejection ExoStemTech Co., Ltd.
17736442 COMPOSITION, COMPRISING TMEM176B OR AN EXPRESSION OR ACTIVITY REGULATOR THEREOF AS AN ACTIVE INGREDIENT, FOR PREVENTION OR TREATMENT OF DEGENERATIVE BRAIN DISEASE Final Rejection AMYLOID SOLUTION INC.
16258269 Low Rigidity Gels for MSC Growth Modulation Final Rejection Makoto Funaki

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