Prosecution Insights
Last updated: August 18, 2026

Examiner: CHEN, STACY BROWN

Tech Center 1600 • Art Units: 1648 1671 1672

This examiner grants 66% of resolved cases

Performance Statistics

66.0%
Allow Rate
+6.0% vs TC avg
979
Total Applications
+40.4%
Interview Lift
1132
Avg Prosecution Days
Based on 932 resolved cases, 2023–2026

Rejection Statute Breakdown

5.7%
§101 Eligibility
14.2%
§102 Novelty
30.3%
§103 Obviousness
32.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18360190 Glycoengineered protein nanoparticles and uses thereof Non-Final OA University of Washington
18250779 REPLICATION-DEFECTIVE VACCINES AND USES THEREOF Non-Final OA Rutgers, The State University of New Jersey
18549134 COMPOSITIONS, KITS, AND METHODS FOR VARIANT-RESISTANT DETECTION OF TARGET VIRAL SEQUENCES Non-Final OA LIFE TECHNOLOGIES CORPORATION
18276905 INFLUENZA VACCINE COMPOSITIONS AND METHODS OF USING SAME Non-Final OA Children's Hospital Medical Center
18255308 COMPOSITIONS AND METHODS FOR DIAGNOSING SARS-COV-2 (COVID-19) AND FOR MONITORING SARS-COV-2-SPECIFIC IMMUNOLOGICAL MEMORY Non-Final OA QIAGEN SCIENCES LLC
18283601 IMMUNOGENIC COMPOSITIONS Non-Final OA CUREVAC SE
18020659 PROTEINS, POLYNUCLEOTIDES, AND METHODS FOR TREATING CORONAVIRUS INFECTION Final Rejection WESTPORT BIO, LLC

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