Prosecution Insights
Last updated: October 26, 2026

Jonathan Davis Mahlum, USPTO Patent Examiner

Listed by the USPTO as MAHLUM, JONATHAN DAVIS

Tech Center 2100 • Art Units: 1625 2178

This examiner grants 50% of resolved cases

Analysis

MAHLUM, JONATHAN DAVIS is assigned to tech center 2100 and art unit 1625. The record includes 42 resolved cases, with a 50.0% allowance rate and a median of 1433 days to allowance. The 23.3% interview lift indicates a meaningful positive association with interviews. The allowance outcome is evenly divided, so practitioners should avoid assuming a predictable result from the allowance rate alone.

The listed companies are Hoffmann-La Roche Inc., Bristol-Myers Squibb Company, and The Penn State Research Foundation. The listed firms are Sheppard, Mullin, Richter & Hampton LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and Casimir Jones, S.C. The limited 42-case record and long median timeline support early preparation for interviews, amendments, and extended prosecution.

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

Performance Statistics

50.0%
Allow Rate
-5.0% vs TC avg
104
Total Applications
+23.3%
Interview Lift
1433
Avg Prosecution Days
Based on 42 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
18.3%
§102 Novelty
35.6%
§103 Obviousness
25.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17920794 Pyridine Inhibitors of Glucosylceramide Synthase and Therapeutic Methods Using the Same Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18012999 N-(3-HYDROXYPYRIDINE-2-CARBONYL)GLYCINE-BASED ANTITUMOR DRUG SENSITIZER AND APPLICATION THEREOF Non-Final OA ZHEJIANG UNIVERSITY
18577757 TRIAZOLE COMPOUNDS FOR THE CONTROL OF INVERTEBRATE PESTS Non-Final OA BASF SE
18689319 ACRIDINE COMPOUND Non-Final OA OTSUKA PHARMACEUTICAL CO., LTD.

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Frequently Asked Questions

What is examiner Jonathan Davis Mahlum's allowance rate?

50.0% of resolved applications examined by Jonathan Davis Mahlum were allowed (42 resolved cases), compared with 51.6% across Art Unit 1625 over the last five years.

Does an interview help with examiner Jonathan Davis Mahlum?

This examiner's interview lift is +23.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jonathan Davis Mahlum take to allow a patent?

Applications allowed by Jonathan Davis Mahlum took 1,433 days on average from filing to allowance.

Which art unit does examiner Jonathan Davis Mahlum work in?

Jonathan Davis Mahlum examines applications in Art Unit 1625 in Tech Center 2100 (Computing & Software).

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