Prosecution Insights
Last updated: October 27, 2026

Mary Abou Nader Crum, USPTO Patent Examiner

Listed by the USPTO as CRUM, MARY ABOU NADER

Tech Center 1600 • Art Units: 1613 1621 1645 1651 1657

This examiner grants 39% of resolved cases

Analysis

CRUM, MARY ABOU NADER is assigned to USPTO Technology Center 1600 and art unit 1613. The record contains 97 resolved cases, a 39.2% allowance rate, and a 63.7% interview lift. The median time to allowance is 1334 days. The low allowance outcome is paired with a strong interview association, making early issue development and deliberate examiner interviews important elements of prosecution strategy.

The leading companies are Nutricia, Novozymes A/S, and Baxter Healthcare S.A. The leading firms are Ipsilon USA - NLO, Barron & Young PLLC, and CHALKER FLORES, LLP. These participants provide context for the examiner’s biotechnology and healthcare matters.

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

Performance Statistics

39.2%
Allow Rate
-20.8% vs TC avg
145
Total Applications
+63.7%
Interview Lift
1334
Avg Prosecution Days
Based on 97 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
11.0%
§102 Novelty
38.2%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19305204 IMMUNOMODULATORY COMPOSITIONS AND METHODS Final Rejection Innate Biologics LLC
18291626 A METHOD AND SYSTEM FOR DETERMINING A QUANTITATIVE COMPOSITION RATIO OF A MICROBIAL STRAIN MIXTURE FOR USE IN A FERMENTATION PROCESS Final Rejection DSM IP Assets B.V.
17502595 SYSTEM AND METHOD FOR BIOREMEDIATION OF SOIL Final Rejection The Trustees of Columbia University in the City of New York
18837974 LACTIC ACID BACTERIUM, LACTIC ACID BACTERIUM COMPOSITION, METHOD FOR PRODUCING LACTIC ACID BACTERIUM, METHOD FOR IMPROVING ACID TOLERANCE OF LACTIC ACID BACTERIUM, METHOD FOR SCREENING LACTIC ACID BACTERIUM, AND METHOD FOR PRODUCING FERMENTED MILK Non-Final OA MEIJI CO., LTD.
17283287 NUTRITIONAL COMPOSITION COMPRISING 2'FUCOSYLLACTOSE AND DIETARY BUTYRATE Non-Final OA N.V. Nutricia
17283265 Fermented formula with non-digestible oligosaccharides for use in rotavirus induced infection Final Rejection N.V. Nutricia
17631943 COMPOSITION COMPRISING A LIPASE Non-Final OA Novozymes A/S
17601019 Liquid Dishwashing Detergent Compositions Final Rejection Novozymes A/S
18562604 METHOD FOR DETECTING LIVE LACTIC ACID BACTERIA WITH CARBOHYDRATE METABOLISM ACTIVITY Final Rejection KABUSHIKI KAISHA YAKULT HONSHA

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Frequently Asked Questions

What is examiner Mary Abou Nader Crum's allowance rate?

39.2% of resolved applications examined by Mary Abou Nader Crum were allowed (97 resolved cases), compared with 34.0% across Art Unit 1613 over the last five years.

Does an interview help with examiner Mary Abou Nader Crum?

This examiner's interview lift is +63.7 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 Abou Nader Crum take to allow a patent?

Applications allowed by Mary Abou Nader Crum took 1,334 days on average from filing to allowance.

Which art unit does examiner Mary Abou Nader Crum work in?

Mary Abou Nader Crum examines applications in Art Unit 1613 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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