Prosecution Insights
Last updated: October 26, 2026

Mary K Zeman, USPTO Patent Examiner

Listed by the USPTO as ZEMAN, MARY K

Tech Center 1600 • Art Units: 1631 1632 1642 1672 1681 1684 1686

This examiner grants 59% of resolved cases

Analysis

ZEMAN, MARY K is a USPTO patent examiner in tech center 1600 and art unit 1631. The profile includes 547 resolved cases, a 58.9% allowance rate, and a median of 1458 days to allowance. The allowance figure shows that more than half of recorded resolved cases reached allowance, while the pendency figure indicates a long prosecution timeline.

The interview lift is 34.2%, reflecting a positive association between interviews and allowance outcomes. Five3 Genomics LLC, Canon Inc., and Korea Institute of Science and Technology are the listed companies. The listed firms are MORRISON & FOERSTER LLP, Umberg Zipser, LLP, and AMSTER, ROTHSTEIN & EBENSTEIN LLP. Practitioners can incorporate interview planning and the identified participant patterns into preparation for art unit 1631.

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

Performance Statistics

58.9%
Allow Rate
-1.1% vs TC avg
576
Total Applications
+34.2%
Interview Lift
1458
Avg Prosecution Days
Based on 547 resolved cases, 2023–2026

Rejection Statute Breakdown

31.7%
§101 Eligibility
14.8%
§102 Novelty
12.5%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18527460 MULTIMODAL GRAPH Non-Final OA Canon Kabushiki Kaisha
18038453 BIOMARKERS FOR DIAGNOSING PROSTATE CANCER, COMBINATION THEREOF, AND USE THEREOF Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18503872 SIMULTANEOUS SPATIO-TEMPORAL MEASUREMENT OF GENE EXPRESSION AND CELLULAR ACTIVITY Non-Final OA 10x Genomics, Inc.
17616626 SYSTEMS AND METHODS FOR DIAGNOSTICS FOR BIOLOGICAL DISORDERS ASSOCIATED WITH PERIODIC VARIATIONS IN METAL METABOLISM Final Rejection Icahn School of Medicine at Mount Sinai

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Frequently Asked Questions

What is examiner Mary K Zeman's allowance rate?

58.9% of resolved applications examined by Mary K Zeman were allowed (547 resolved cases), compared with 28.4% across Art Unit 1631 over the last five years.

Does an interview help with examiner Mary K Zeman?

This examiner's interview lift is +34.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mary K Zeman take to allow a patent?

Applications allowed by Mary K Zeman took 1,458 days on average from filing to allowance.

Which art unit does examiner Mary K Zeman work in?

Mary K Zeman examines applications in Art Unit 1631 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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