Prosecution Insights
Last updated: October 25, 2026

Mary M Lyons, USPTO Patent Examiner

Listed by the USPTO as LYONS, MARY M

Tech Center 1600 • Art Units: 1645 1651 1653

This examiner grants 66% of resolved cases

Analysis

Mary M. Lyons manages a docket in Art Unit 1645 with 568 resolved cases and an allowance rate of 65.5 percent. The median days to allowance of 1076 indicates a prosecution period of nearly three years. Applicants such as Clara Foods Co. and Parasight System Inc. face a moderately competitive environment in Tech Center 1600. For Smartdna Pty Ltd., the 65.5 percent allowance rate and 1076-day median pendency provide a clear expectation for the patent acquisition process.

The interview lift of 41.5 percent is a significant factor, suggesting that interviews are highly effective for this examiner. For firms like Dinsmore & Shohl LLP and Meunier Carlin & Curfman LLC, engaging in direct dialogue can substantially improve the 65.5 percent baseline probability of success. The 41.5 percent lift is a primary tactic for navigating biotechnology and life sciences applications. With 568 resolved cases, the data indicates that verbal communication is a key driver for overcoming rejections and securing grants within the 1076-day timeframe.

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

Performance Statistics

65.5%
Allow Rate
+5.5% vs TC avg
600
Total Applications
+41.5%
Interview Lift
1076
Avg Prosecution Days
Based on 568 resolved cases, 2023–2026

Rejection Statute Breakdown

8.6%
§101 Eligibility
21.8%
§102 Novelty
23.9%
§103 Obviousness
31.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18344773 PROTEIN COMPOSITIONS AND METHODS OF PRODUCTION Non-Final OA Clara Foods Co.
17990137 METHOD OF FECAL SAMPLE PREPARATION FOR AUTOMATED IMAGE ANALYSIS Non-Final OA Parasight System Inc.
17942327 METHOD OF DIAGNOSING A DYSBIOSIS Final Rejection smartDNA Pty Ltd

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Frequently Asked Questions

What is examiner Mary M Lyons's allowance rate?

65.5% of resolved applications examined by Mary M Lyons were allowed (568 resolved cases), compared with 49.5% across Art Unit 1645 over the last five years.

Does an interview help with examiner Mary M Lyons?

This examiner's interview lift is +41.5 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 M Lyons take to allow a patent?

Applications allowed by Mary M Lyons took 1,076 days on average from filing to allowance.

Which art unit does examiner Mary M Lyons work in?

Mary M Lyons examines applications in Art Unit 1645 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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