Prosecution Insights
Last updated: October 02, 2026

Examiner: KAUFMAN, CLAIRE M

Tech Center 1600 • Art Units: 1646 1653 1654 1674

This examiner grants 64% of resolved cases

Analysis

Claire M Kaufman works in Tech Center 1600 and Art Unit 1646. With 573 resolved cases, she has established an allowance rate pct of 63.5. This 63.5 allowance rate pct indicates the frequency of grants for applications on her docket. The 573 resolved cases provide a data set for understanding the examination process in Art Unit 1646.

The interview lift pct is 50.7. This 50.7 interview lift pct shows the correlation between interviews and the probability of allowance. Practitioners should note the 50.7 figure when deciding on a prosecution strategy. The 50.7 interview lift pct suggests that direct engagement is a factor in reaching a resolution in Tech Center 1600.

The median days to allowance is 1090. This 1090 median days to allowance represents the time from filing to the issuance of a patent. The 1090 figure is a metric for the duration of the prosecution process. For those in Art Unit 1646, the 1090 median days to allowance provides a timeline for the duration of successful applications.

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

Performance Statistics

63.5%
Allow Rate
+3.5% vs TC avg
618
Total Applications
+50.7%
Interview Lift
1090
Avg Prosecution Days
Based on 573 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
17.1%
§102 Novelty
25.6%
§103 Obviousness
39.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17416403 METHOD OF TREATING CANCER USING A HISTONE ACETYLTRANSERACE ACTIVATOR WITH IFN¿ AND AN IMMUNE CHECKPOINT INHIBITOR Non-Final OA The Regents of the University of California
18392954 ANTIBODY MOLECULES TO PG-L1 AND METHODS OF TREATING CANCER AND INFECTIOUS DISEASES Final Rejection PRESIDENT AND FELLOWS OF HARVARD COLLEGE
18666545 CCR8 ANTIBODIES FOR THERAPEUTIC APPLICATIONS Final Rejection Bayer Aktiengesellschaft
18666512 CCR8 ANTIBODIES FOR THERAPEUTIC APPLICATIONS Final Rejection Bayer Aktiengesellschaft
18583551 BLOCKADE OF CD7 EXPRESSION AND CHIMERIC ANTIGEN RECEPTORS FOR IMMUNOTHERAPY OF T-CELL MALIGNANCIES Non-Final OA National University of Singapore
18567967 POLYPEPTIDES TARGETING CD70-POSITIVE CANCERS Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18175225 METHOD OF TREATMENT OF PATIENTS HAVING REDUCED SENSITIVITY TO A BCL-2 INHIBITOR Non-Final OA The Regents of the University of Colorado, A Body Corporate
18019467 TREATMENT OF CLL Final Rejection NOVARTIS AG
18002368 METHOD OF TREATMENT OF INFLAMMATORY BOWEL DISEASE USING ANTI-TL1A ANTIBODIES Non-Final OA Pfizer Inc.
17921793 PHARMACEUTICAL FORMULATION Final Rejection AMGEN INC.
17774232 MULTITARGETING ANTIGEN-BINDING MOLECULES FOR USE IN PROLIFERATIVE DISEASES Non-Final OA AMGEN INC.
17907312 TNFa SIGNALING TRIGGERS TUMOR-PROMOTING INFLAMMATION THAT CAN BE TARGETED TO THERAPY Final Rejection Baylor College of Medicine
18019612 COMBINED MEDICATION FOR TREATING SOFT TISSUE SARCOMA Non-Final OA CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
18140141 METHODS OF TREATING LYMPHOPENIA Non-Final OA Keros Therapeutics, Inc.

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