Prosecution Insights
Last updated: April 19, 2026

Examiner: MERTZ, PREMA MARIA

Tech Center 1600 • Art Units: 1643 1646 1674

This examiner grants 72% of resolved cases

Performance Statistics

71.5%
Allow Rate
+11.5% vs TC avg
770
Total Applications
+35.6%
Interview Lift
1048
Avg Prosecution Days
Based on 754 resolved cases, 2023–2026

Rejection Statute Breakdown

5.9%
§101 Eligibility
13.9%
§102 Novelty
21.7%
§103 Obviousness
41.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18246512 ANTI-INFLAMMATORY CYTOKINES AND METHODS OF USE Non-Final OA THE UNIVERSITY OF CHICAGO
18495182 METHODS FOR TREATING OR PREVENTING ASTHMA BY ADMINISTERING AN IL-4R ANTAGONIST Non-Final OA REGENERON PHARMACEUTICALS, INC.
17241935 DRUG DELIVERY COMPOSITIONS AND USES THEREOF Non-Final OA Dana-Farber Cancer Institute, Inc.
17755605 METHODS OF USING IL-33 ANTAGONISTS Final Rejection MedImmune Limited
18235679 COMBINATION THERAPIES FOR INHIBITION OF TTK PROTEIN KINASE Non-Final OA UNIVERSITY HEALTH NETWORK
18265341 HETERODIMERIC IGA FC CONSTRUCTS AND METHODS OF USE THEREOF Non-Final OA Zymeworks BC Inc.
18553043 METHODS FOR TREATING CANCER USING ANTI-CTLA4 ANTIBODIES Non-Final OA ADAGENE PTE. LTD
18265781 BISPECIFIC ANTIBODIES BINDING TO CD7 AND CD33 Non-Final OA BIVICTRIX LIMITED
18018156 USE OF EPIDERMAL GROWTH FACTOR DEPLETING AGENTS IN THE TREATMENT OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE Non-Final OA Centro de Inmunología Molecular
18297076 NOVEL PEPTIDES AND COMBINATION OF PEPTIDES FOR USE IN IMMUNOTHERAPY AGAINST LUNG CANCER, INCLUDING NSCLC, SCLC AND OTHER CANCERS Non-Final OA Immatics Biotechnologies GmbH
18305165 ILT7 BINDING MOLECULES AND METHODS OF USING THE SAME Non-Final OA Viela Bio, Inc.
18299343 USE OF IL-22 DIMER IN MANUFACTURE OF A MEDICAMENT FOR INTRAVENOUS ADMINISTRATION Non-Final OA Evive Biotechnology (Shanghai) Ltd
18004631 COMPOSITIONS AND METHODS USEFUL FOR THE PREVENTION AND/OR TREATMENT OF DISEASE IN MAMMALS Final Rejection VIRO-GEN (PTY) LTD
17910720 IL-10 MUTEINS Non-Final OA Centre Hospitalier Régional Universitaire de Lille
17426905 USE OF M-CSF OR G-CSF FOR DIAGNOSIS OR TREATMENT OF PULMONARY FIBROSIS Non-Final OA FNCT BIOTECH, INC.

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