Prosecution Insights
Last updated: October 27, 2026

John D Pak, USPTO Patent Examiner

Listed by the USPTO as PAK, JOHN D

Tech Center 3700 • Art Units: 1616 1624 1699 1731 1793 3725

This examiner grants 52% of resolved cases

Analysis

John D. Pak is assigned to Tech Center 3700 and art unit 1616. The profile covers 1013 resolved cases, with a 52.3% allowance rate and a median of 1143 days to allowance. The record shows a substantial docket in which applicants should plan for continued prosecution and carefully manage response timing.

Interviews are associated with a 37.8% lift in allowance outcomes. Syngenta AG, BASF SE, and Adama Agan Ltd. are the leading companies. The leading firms are BakerHostetler, MARSHALL, GERSTEIN & BORUN LLP, and COOLEY LLP. Practitioners may place significant emphasis on interview preparation, supported by claim amendments and technical explanations that address the basis for rejection.

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

Performance Statistics

52.3%
Allow Rate
-17.7% vs TC avg
1,056
Total Applications
+37.8%
Interview Lift
1143
Avg Prosecution Days
Based on 1013 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
13.4%
§102 Novelty
41.9%
§103 Obviousness
29.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17773072 BOVINE MILK-ISOLATED POWDERED EXOSOMES, NUTRITIONAL COMPOSITIONS AND METHODS Final Rejection ABBOTT LABORATORIES
18712964 PESTICIDAL COMPOSITIONS Non-Final OA SYNGENTA CROP PROTECTION AG
18547106 INSECT AND ACARINA PEST CONTROL Non-Final OA SYNGENTA CROP PROTECTION AG
17776814 HERBICIDAL COMPOUNDS Final Rejection SYNGENTA CROP PROTECTION AG
19014527 HERBICIDAL MIXTURES COMPRISING L-GLUFOSINATE OR ITS SALT AND AT LEAST ONE PROTOPORPHYRINOGEN-IX OXIDASE INHIBITOR Non-Final OA BASF SE
18952632 HERBICIDAL MIXTURES COMPRISING L-GLUFOSINATE OR ITS SALT AND AT LEAST ONE PROTOPORPHYRINOGEN-IX OXIDASE INHIBITOR Non-Final OA BASF SE
18717747 HERBICIDAL ACTIVITY OF ALKYL PHOSPHINATES Non-Final OA BASF SE
18255334 PESTICIDAL COMPOSITION Final Rejection SUMITOMO CHEMICAL COMPANY, LIMITED
18004300 ARTHROPOD CONTROL COMPOSITION Non-Final OA Firmenich SA
18032768 METHODS FOR IMPROVING PLANT GROWTH AND CROP YIELD BY USING COMPOUNDS OF TRISULPHIDE OR TETRASULPHIDE Non-Final OA UNIVERSITY OF IOWA RESEARCH FOUNDATION

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Frequently Asked Questions

What is examiner John D Pak's allowance rate?

52.3% of resolved applications examined by John D Pak were allowed (1,013 resolved cases), compared with 24.5% across Art Unit 1616 over the last five years.

Does an interview help with examiner John D Pak?

This examiner's interview lift is +37.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by John D Pak took 1,143 days on average from filing to allowance.

Which art unit does examiner John D Pak work in?

John D Pak examines applications in Art Unit 1616 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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