Prosecution Insights
Last updated: October 26, 2026

Brent T O'Hern, USPTO Patent Examiner

Listed by the USPTO as O'HERN, BRENT T

Tech Center 1700 • Art Units: 1781 1783 1792 1793 1794

This examiner grants 78% of resolved cases

Analysis

O'HERN, BRENT T is assigned to tech center 1700 and art unit 1781. The profile records 1417 resolved cases, an allowance rate of 78.5%, and a median of 993 days to allowance. The interview lift is 19.4%, indicating a meaningful positive relationship with allowance outcomes. The substantial record gives practitioners a useful basis for setting expectations and incorporating interviews into response planning.

The listed companies are Cargill Incorporated, Nestlé S.A., and Can Technologies Inc. The listed firms are K&L Gates LLP-Nestec S.A., Brooks Kushman P.C., and BUCHANAN, INGERSOLL & ROONEY PC. Counsel may pair clear written amendments with focused interviews, while maintaining claim alternatives because the allowance measure does not eliminate the need for substantive prosecution work.

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

Performance Statistics

78.5%
Allow Rate
+13.5% vs TC avg
1,456
Total Applications
+19.4%
Interview Lift
993
Avg Prosecution Days
Based on 1417 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
13.0%
§102 Novelty
43.4%
§103 Obviousness
37.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16462808 CREAMERS COMPOSITIONS Final Rejection Société des Produits Nestlé S.A.
18648962 BEVERAGE PREPARATION MACHINE WITH ENHANCED PUMP CONTROL Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18254058 SYSTEMS AND METHODS TO PREDICT AN INDIVIDUALS MICROBIOME STATUS AND PROVIDE PERSONALIZED RECOMMENDATIONS TO MAINTAIN OR IMPROVE THE MICROBIOME STATUS Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18576582 ENTERAL NUTRIENT PREPARATION Final Rejection OTSUKA PHARMACEUTICAL FACTORY, INC.
18846002 BEER-FLAVORED BEVERAGE Non-Final OA SUNTORY HOLDINGS LIMITED
18862285 TREATED SOY PROTEIN PRODUCT AND METHOD OF MAKING THE SAME Non-Final OA Cargill, Incorporated
18862370 TREATED VEGETABLE PROTEIN PRODUCT AND METHOD OF MAKING THE SAME Non-Final OA Cargill, Incorporated
18724797 ALTERNATIVE PROTEIN CRUMBLES Non-Final OA Cargill, Incorporated
18844920 NOVEL STARCH-BASED COMPOSITIONS, MANUFACTURING METHODS, AND APPLICATIONS THEREOF Non-Final OA ARCHER-DANIELS-MIDLAND COMPANY
18568395 VEGETABLE FAT COMPOSITION FOR EDIBLE APPLICATIONS WITH IMPROVED TASTE AND MELTDOWN Final Rejection AAK AB (PUBL)
18832607 PROPERTY MODIFIER FOR HEAT-COAGULATED GEL OF EGG WHITE PROTEIN Non-Final OA AMANO ENZYME INC.

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Frequently Asked Questions

What is examiner Brent T O'Hern's allowance rate?

78.5% of resolved applications examined by Brent T O'Hern were allowed (1,417 resolved cases), compared with 47.7% across Art Unit 1781 over the last five years.

Does an interview help with examiner Brent T O'Hern?

This examiner's interview lift is +19.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brent T O'Hern take to allow a patent?

Applications allowed by Brent T O'Hern took 993 days on average from filing to allowance.

Which art unit does examiner Brent T O'Hern work in?

Brent T O'Hern examines applications in Art Unit 1781 in Tech Center 1700 (Chemistry & Materials).

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