Prosecution Insights
Last updated: October 02, 2026

Examiner: CHASE, CAROL ANN

Tech Center 1600 • Art Units: 1600 1643 1645 1646

This examiner grants 43% of resolved cases

Analysis

Carol Ann Chase is an examiner in Tech Center 1600 and Art Unit 1600. The examiner has 61 resolved cases. This number of resolutions provides a focused look at the examiner's prosecution history. The data set allows practitioners to observe the examiner's approach to patentability and the typical outcomes for applications in this specific technology area.

The allowance rate is 42.6 percent. This figure indicates the proportion of resolved cases that have resulted in a patent grant. The median days to allowance is 1315. This duration represents the time required for an application to move through the examination process to a successful conclusion. Applicants can use this figure to plan their intellectual property timelines and budget for the prosecution phase.

The interview lift is 84.7 percent. This indicates that an interview is associated with a significant increase in the probability of an allowance. The positive lift suggests that direct communication is a highly effective method for overcoming rejections with this examiner. Practitioners should consider an interview as a primary strategy for clarifying technical points and advancing the application toward a grant.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

42.6%
Allow Rate
-17.4% vs TC avg
96
Total Applications
+84.7%
Interview Lift
1315
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
15.1%
§102 Novelty
30.5%
§103 Obviousness
28.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18561506 EGFR TARGETING FC ANTIGEN BINDING FRAGMENT-DRUG CONJUGATES Non-Final OA MERCK PATENT GMBH
17473401 TREATMENT OF CANCER WITH HER2XCD3 BISPECIFIC ANTIBODIES IN COMBINATION WITH ANTI-HER2 MAB Final Rejection Genentech, Inc.
17432868 COMBINATION THERAPIES OF EGFRVIII CHIMERIC ANTIGEN RECEPTORS AND PD-1 INHIBITORS Final Rejection Novartis AG
18288241 MODIFIED ORGANS AND TISSUES Non-Final OA UNIVERSITY HEALTH NETWORK
17775543 DOSAGE REGIMEN FOR ANTI-EGFRVIII AGENTS Non-Final OA AMGEN RESEARCH (MUNICH) GMBH
18609772 CYTOKINE ASSOCIATED TUMOR INFILTRATING LYMPHOCYTES COMPOSITIONS AND METHODS Non-Final OA Iovance Biotherapeutics, Inc.
18560898 PD-1 GENE-EDITED TUMOR INFILTRATING LYMPHOCYTES AND USES OF SAME IN IMMUNOTHERAPY Non-Final OA Iovance Biotherapeutics, Inc.
17050341 CAR T CELLS WITH ONE OR MORE INTERLEUKINS Final Rejection Baylor College of Medicine
16979396 METHODS OF SELECTING T CELL LINE FOR ADOPTIVE CELLULAR THERAPY Final Rejection Memorial Sloan Kettering Cancer Center
18547111 Cation-Independent Mannose-6-Phosphate Receptor Binders Non-Final OA Universiteit Gent
18548677 T-CELLS FOR ANTI-HIV CAR-T THERAPY AND METHODS OF USE Non-Final OA City of Hope
18005286 NOVEL ANTI-PD1 ANTIBODIES FOR INHIBITING T-CELL ACTIVITY Non-Final OA THE CHILDREN'S MEDICAL CENTER CORPORATION
18419527 ANTIBODY THAT BINDS ERBB-2 AND ERBB-3 Final Rejection Merus N.V.

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