Prosecution Insights
Last updated: October 01, 2026

Examiner: MCCRACKEN, DANIEL

Tech Center 1700 • Art Units: 1736 1793

This examiner grants 72% of resolved cases

Analysis

Daniel McCracken is a high-volume examiner in Tech Center 1700 and Art Unit 1736, with 1198 resolved cases. The examiner has an allowance rate of 72.0%, which is quite high and favorable for applicants. This 72.0% rate suggests that a large majority of applications handled by this examiner result in a grant. The large sample size of 1198 cases makes this a very reliable metric for practitioners in Art Unit 1736.

The interview lift is 16.3%, indicating that direct communication with the examiner is a productive way to increase the likelihood of allowance. An interview provides a meaningful boost to the already strong 72.0% baseline. The median days to allowance is 1072, representing a moderate and efficient prosecution cycle. This 1072-day timeline is consistent with expectations for this tech center. For those appearing before this examiner, the combination of a 72.0% allowance rate and a 16.3% interview lift suggests that proactive engagement can effectively navigate the 1072-day path to issuance. The 1198 resolved cases demonstrate a consistent and predictable examination style in Tech Center 1700.

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

Performance Statistics

72.0%
Allow Rate
+7.0% vs TC avg
1,227
Total Applications
+16.2%
Interview Lift
1073
Avg Prosecution Days
Based on 1201 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
18.9%
§102 Novelty
49.3%
§103 Obviousness
22.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18581248 Handling Carbon Nanoparticles Produced From Methane Pyrolysis Non-Final OA Halliburton Energy Services, Inc.
18684228 METHOD FOR PRODUCING SILICA PARTICLES, SILICA PARTICLES PRODUCED BY SUCH METHOD, COMPOSITIONS AND USES OF SUCH SILICA PARTICLES Non-Final OA MERCK PATENT GMBH
18350824 Producing Recycled Carbon Black from Waste Tires Non-Final OA ExxonMobil Technology and Engineering Company
18559306 Apparatus and Method for Gaseous Hydrocarbon Self-Catalyzation, Reforming, and Solid Carbon Deposition Non-Final OA The Regents of the University of California
17998425 CARBON NANOSTRUCTURE COMPOSITIONS AND METHODS FOR PURIFICATION THEREOF Final Rejection The Board of Trustees of the Leland Stanford Junior University
18567440 METHOD OF PRODUCING VALUABLE METAL Non-Final OA SUMITOMO METAL MINING CO., LTD.
18272848 METHOD FOR PRODUCING CARBON MATERIAL, CARBON MATERIAL, METHOD FOR DECOMPOSING CARBON DIOXIDE, AND REDUCING AGENT Non-Final OA MITSUBISHI MATERIALS CORPORATION
18546179 GRAPHENE OXIDE HAVING ANTIMICROBIAL PROPERTIES, PREPARATION PROCESS AND USE THEREOF TO CONFER ANTIMICROBIAL PROPERTIES TO RUBBER ARTICLES Non-Final OA ENI S.P.A.
18305808 Production of Graphite from Recycled Plastics Non-Final OA Global Graphene Group, Inc.

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