Prosecution Insights
Last updated: August 18, 2026

Examiner: FAUST, AMBER KATHLEEN

Tech Center 1600 • Art Units: 1643 1674

This examiner grants 61% of resolved cases

Performance Statistics

60.9%
Allow Rate
+0.9% vs TC avg
111
Total Applications
+52.1%
Interview Lift
1337
Avg Prosecution Days
Based on 69 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
18.4%
§102 Novelty
32.4%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17310279 TARGETED DELIVERY OF IFN GAMMA USING ANTIBODY FUSION PROTEINS Final Rejection The Regents of the University of California
17183904 COMPOSITIONS COMPRISING IL6R ANTIBODIES FOR THE TREATMENT OF UVEITIS AND MACULAR EDEMA AND METHODS OF USING SAME Non-Final OA REGENERON PHARMACEUTICALS, INC.
18364503 ENGINEERED NATURAL LIGAND-BASED CAR: DIRECTED EVOLUTION OF THE STRESS-RECEPTOR NKP30 Non-Final OA THE TRUSTEES OF DARTMOUTH COLLEGE
17596421 METHODS OF PRODUCING AN ANTI-a4B7 ANTIBODY Final Rejection Takeda Pharmaceutical Company Limited
17290128 PEPTIDES, COMPOSITIONS AND VACCINES FOR TREATMENT OF MICROSATELLITE INSTABLITY HYPERMUTATED TUMORS AND METHODS OF USE THEREOF Non-Final OA Icahn School of Medicine at Mount Sinai
17599468 COMPOSITIONS AND METHODS FOR PREPARING T CELL COMPOSITIONS AND USES THEREOF Non-Final OA BIONTECH US INC.

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