Prosecution Insights
Last updated: October 02, 2026

Examiner: MCGUIRK, JOHN SCHUYLER

Tech Center 1700 • Art Units: 1678 1732 1758 1796 1797 1798

This examiner grants 78% of resolved cases

Analysis

John Schuyler McGuirk is an examiner in Tech Center 1700 and Art Unit 1678. The examiner has 224 resolved cases and an allowance rate of 77.7 percent. This allowance rate indicates the outcome for applicants. This figure provides a baseline for success in Art Unit 1678.

The interview lift of 49.4 percent is a metric for practitioners. This lift indicates that the probability of allowance increases when an interview is conducted. Even with an allowance rate of 77.7 percent, the 49.4 percent lift demonstrates that communication with the examiner is a tool for resolving rejections and securing a grant. Engaging with the examiner appears to be a step in the prosecution process.

The median days to allowance is 1179. This timeline represents the duration for successful applications. The 1179-day median, combined with the 224 resolved cases, offers an expectation for the length of the prosecution process. Practitioners can use the 49.4 percent interview lift to clarify the path to allowance within this 1179-day timeframe in Art Unit 1678.

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

Performance Statistics

78.0%
Allow Rate
+13.0% vs TC avg
257
Total Applications
+48.4%
Interview Lift
1182
Avg Prosecution Days
Based on 227 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
16.1%
§102 Novelty
42.0%
§103 Obviousness
32.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18557718 HIGH-RESOLUTION AGE DIFFERENTIATION OF JURASSIC-SOURCED OILS ACROSS THE NORTH ATLANTIC MARGINS Final Rejection EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
18694831 MATRICES AND SYSTEMS FOR PRESERVATION OF BIOMOLECULES IN VACUUM Non-Final OA WISCONSIN ALUMNI RESEARCH FOUNDATION
18294753 METHOD FOR MONITORING AND/OR CONTROLLING A CHEMICAL PLANT USING HYBRID MODELS Non-Final OA BASF SE
18626845 MULTIPLE EMULSIONS CREATED USING JETTING AND OTHER TECHNIQUES Non-Final OA President and Fellows of Harvard College
18289142 SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD Final Rejection JFE STEEL CORPORATION
18272249 METHOD IN BIOPROCESS PURIFICATION SYSTEM Non-Final OA CYTIVA SWEDEN AB
18281920 REACTOR AND METHOD FOR THE PYROLYSIS OF HYDROCARBON-CONTAINING FLUIDS Non-Final OA thyssenkrupp AG
18562979 Dispensing Device, Automatic Analysis Device, and Dispensing Method Non-Final OA Hitachi High-Tech Corporation
18248477 METHOD FOR OPERATING A PROCESS SYSTEM, PROCESS SYSTEM AND METHOD FOR CONVERTING A PROCESS SYSTEM Non-Final OA LINDE GMBH
18091096 CELL CULTURE VESSEL, METHOD FOR PRODUCING CELL CULTURE VESSEL, METHOD FOR PRODUCING CELLS, CELL CULTURE APPARATUS, AND CELL CULTURE JIG Final Rejection TOYO SEIKAN GROUP HOLDINGS, LTD.
18402047 Support Device And Cell Culturing System Non-Final OA Terumo BCT, Inc.
18706270 METHOD OF DETECTING PROTEIN AGGREGATES Non-Final OA CAMBRIDGE ENTERPRISE LIMITED
18562197 RAPID MEASUREMENT OF COAL OXIDATION Non-Final OA THE UNIVERSITY OF QUEENSLAND
17915762 WATER QUALITY MANAGEMENT METHOD, INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING SYSTEM Final Rejection ORGANO CORPORATION
18694038 MICROFLUIDIC DEVICE AND METHOD FOR FILLING A FLUID CHAMBER OF SUCH A DEVICE Non-Final OA MICRONIT HOLDING B.V.

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