Prosecution Insights
Last updated: October 27, 2026

Malcolm Cribbs, USPTO Patent Examiner

Listed by the USPTO as CRIBBS, MALCOLM

Tech Center 2400 • Art Units: 2115 2432 2497

This examiner grants 89% of resolved cases

Analysis

CRIBBS, MALCOLM is assigned to USPTO Technology Center 2400 and art unit 2115. The profile covers 786 resolved cases, with an 88.8% allowance rate and a 14.9% interview lift. The median time to allowance is 852 days. The high allowance outcome is accompanied by a positive interview association, supporting a prosecution plan that preserves interview opportunities while emphasizing clear claim treatment.

The principal companies are Nchain Licensing AG, Carnegie Mellon University, and 3Shape A/S. The leading firms are FENWICK & WEST LLP, Galvani Smith PLLC, and K&L GATES LLP-Pittsburgh. These names identify recurring technology owners and counsel in the examiner’s completed matters.

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

Performance Statistics

88.8%
Allow Rate
+30.8% vs TC avg
799
Total Applications
+14.9%
Interview Lift
852
Avg Prosecution Days
Based on 786 resolved cases, 2023–2026

Rejection Statute Breakdown

14.2%
§101 Eligibility
8.8%
§102 Novelty
43.6%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19132739 BLOCKCHAIN-BASED NETWORK ADDRESS Non-Final OA NCHAIN LICENSING AG
19110120 DETERMINATION DEVICE, DETERMINATION METHOD, AND DETERMINATION PROGRAM Non-Final OA NTT, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Malcolm Cribbs's allowance rate?

88.8% of resolved applications examined by Malcolm Cribbs were allowed (786 resolved cases), compared with 71.8% across Art Unit 2115 over the last five years.

Does an interview help with examiner Malcolm Cribbs?

This examiner's interview lift is +14.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Malcolm Cribbs take to allow a patent?

Applications allowed by Malcolm Cribbs took 852 days on average from filing to allowance.

Which art unit does examiner Malcolm Cribbs work in?

Malcolm Cribbs examines applications in Art Unit 2115 in Tech Center 2400 (Networking & Security).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month