Prosecution Insights
Last updated: August 17, 2026

Examiner: SZPERKA, MICHAEL EDWARD

Tech Center 1600 • Art Units: 1600 1641 1644

This examiner grants 63% of resolved cases

Performance Statistics

62.7%
Allow Rate
+2.7% vs TC avg
984
Total Applications
+36.9%
Interview Lift
1119
Avg Prosecution Days
Based on 947 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
16.6%
§102 Novelty
20.2%
§103 Obviousness
33.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18242868 FACTOR X BINDERS ENHANCING FX ACTIVATION Final Rejection Novo Nordisk A/S
18249991 NATURAL KILLER CELLS WITH ENHANCED ACTIVITY Non-Final OA The Regents of the University of California
18048386 THERAPIES AND METHODS TO TREAT TLR2-MEDIATED DISEASES AND DISORDERS Non-Final OA The Regents of the University of California
17868422 SYSTEMS AND METHODS FOR MONITORING PLATELET ACTIVATION Final Rejection The Regents of the University of Michigan
18247198 METHODS FOR REDUCING HOST CELL PROTEIN CONTENT IN ANTIBODY PURIFICATION PROCESSES AND ANTIBODY COMPOSITIONS HAVING REDUCED HOST CELL PROTEIN CONTENT Non-Final OA Eli Lilly and Company

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