Prosecution Insights
Last updated: October 27, 2026

Michael D Pak, USPTO Patent Examiner

Listed by the USPTO as PAK, MICHAEL D

Tech Center 1600 • Art Units: 1644 1646 1654 1674 1682 1699

This examiner grants 59% of resolved cases

Analysis

Michael D. Pak works in Tech Center 1600 and art unit 1644. His record includes 711 resolved cases, a 58.6% allowance rate, and a median of 1365 days to allowance. The figures indicate a substantial prosecution history with a timeline that may require applicants to maintain strategy over an extended period.

The interview lift is 29.9%, showing a meaningful recorded association between interviews and allowance outcomes. The leading companies are Morphosys GmbH, Regeneron Pharmaceuticals Inc., and Carnegie Mellon University. The leading firms are Baker, Donelson, Bearman, Caldwell & Berkowitz, PC, BROWN RUDNICK LLP, and Conley Rose, P.C. Counsel may use interviews alongside careful written prosecution to manage complex or persistent examination issues.

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

Performance Statistics

58.6%
Allow Rate
-1.4% vs TC avg
736
Total Applications
+29.9%
Interview Lift
1365
Avg Prosecution Days
Based on 711 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
21.7%
§102 Novelty
22.2%
§103 Obviousness
36.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
15034531 COMPOSITIONS FOR THE TREATMENT OF RHEUMATOID ARTHRITIS AND METHODS OF USING SAME Non-Final OA Regeneron Pharmaceuticals, Inc.
18006997 NITRO COMPOUND DETECTION ELEMENT Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED
18683790 TREATMENT OF CLUSTER HEADACHE USING ANTI-CGRP ANTIBODIES Non-Final OA H. Lundbeck A/S

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Frequently Asked Questions

What is examiner Michael D Pak's allowance rate?

58.6% of resolved applications examined by Michael D Pak were allowed (711 resolved cases), compared with 35.9% across Art Unit 1644 over the last five years.

Does an interview help with examiner Michael D Pak?

This examiner's interview lift is +29.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael D Pak take to allow a patent?

Applications allowed by Michael D Pak took 1,365 days on average from filing to allowance.

Which art unit does examiner Michael D Pak work in?

Michael D Pak examines applications in Art Unit 1644 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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