Prosecution Insights
Last updated: October 02, 2026

Examiner: ZEMAN, MARY K

Tech Center 1600 • Art Units: 1631 1642 1672 1681 1684 1686

This examiner grants 59% of resolved cases

Analysis

Mary K. Zeman is an examiner in Art Unit 1631 of Tech Center 1600. She has 546 resolved cases and an allowance rate of 59.0 percent. This 59.0 percent rate suggests a chance of success for patent applicants. The median days to allowance is 1460. This 1460-day figure is a factor for timeline expectations. Practitioners should communicate this metric to their clients for planning purposes in Tech Center 1600.

The interview lift of 34.0 percent indicates that interviews are an effective way to move toward an allowance. This 34.0 percent lift is a metric for practitioners to consider when navigating Art Unit 1631. With 546 resolved cases, the 59.0 percent allowance rate is an indicator of the examiner's disposition. The 34.0 percent lift suggests that direct engagement can change the path to a grant. The 1460-day median is a reference point for the duration of the examination process.

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

Performance Statistics

59.0%
Allow Rate
-1.0% vs TC avg
565
Total Applications
+34.0%
Interview Lift
1460
Avg Prosecution Days
Based on 546 resolved cases, 2023–2026

Rejection Statute Breakdown

31.6%
§101 Eligibility
14.6%
§102 Novelty
12.6%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18038453 BIOMARKERS FOR DIAGNOSING PROSTATE CANCER, COMBINATION THEREOF, AND USE THEREOF Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
17591355 Systems and Methods for Sequencing T Cell Receptors and Uses Thereof Non-Final OA Regeneron Pharmaceuticals, Inc.
17814042 MOLECULAR LABEL COUNTING ADJUSTMENT METHODS Non-Final OA Becton, Dickinson And Company
17407000 METHODS AND SYSTEMS FOR DETERMINING THE CELLULAR ORIGIN OF CELL-FREE DNA Final Rejection GUARDANT HEALTH, INC.
17602895 COMPREHENSIVE DETECTION OF SINGLE CELL GENETIC STRUCTURAL VARIATIONS Non-Final OA Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
18274433 DEVICE FOR PREDICTING DRUG-TARGET INTERACTION BY USING SELF-ATTENTION-BASED DEEP NEURAL NETWORK MODEL, AND METHOD THEREFOR Non-Final OA GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
18484268 DETECTING AND CORRECTING METHYLATION VALUES FROM METHYLATION SEQUENCING ASSAYS Non-Final OA Illumina, Inc.
17968167 METHOD FOR DETERMINING CELL CLONALITY Non-Final OA ARES TRADING S.A.
17572170 PRIMER DESIGN USING INDEXED GENOMIC INFORMATION Final Rejection NOBLIS, INC.

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