Prosecution Insights
Last updated: October 02, 2026

Examiner: MRUK, GEOFFREY S

Tech Center 2800 • Art Units: 2853

This examiner grants 92% of resolved cases

Analysis

Geoffrey S Mruk is an examiner in Tech Center 2800 and Art Unit 2853. He has 1177 resolved cases, with an allowance rate of 92.4 percent. The median days to allowance is 729. These figures indicate that almost all applications are allowed within a relatively short period for prosecution.

The interview lift is 3.0 percent, showing a small benefit from interviews. Given the already high 92.4 percent allowance rate, there is limited room for improvement. However, the 3.0 percent lift still suggests that direct communication can be helpful in certain cases to ensure a successful outcome.

With 1177 resolved cases, the data for Art Unit 2853 is robust. The allowance rate and 729 day median are the primary indicators of the examiner's performance. The interview lift is a minor but positive factor for practitioners to consider when developing their strategy and managing client expectations.

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

Performance Statistics

92.4%
Allow Rate
+24.4% vs TC avg
1,183
Total Applications
+3.0%
Interview Lift
729
Avg Prosecution Days
Based on 1177 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
19.6%
§102 Novelty
63.7%
§103 Obviousness
4.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19026126 PRINTER, METHOD, AND STORAGE MEDIUM Non-Final OA Toshiba Tec Kabushiki Kaisha
18806863 HEATER DEVICE WITH MEMORY UNIT AND OPERATION METHOD THEREOF Non-Final OA InnoLux Corporation
18609141 LIQUID DISCHARGING SYSTEM Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18765722 INKJET PRINTING SYSTEM HAVING DYNAMICALLY CONTROLLED MENISCUS PRESSURE Non-Final OA The Boeing Company
19018151 LIQUID STORAGE CONTAINER Non-Final OA CANON KABUSHIKI KAISHA
18989263 LIQUID EJECTION HEAD SUBSTRATE Non-Final OA CANON KABUSHIKI KAISHA
19057524 FLOW PATH CONNECTION MECHANISM AND INKJET RECORDING APPARATUS Non-Final OA KYOCERA Document Solutions Inc.
18839023 CIRCULATION DEVICE, PRINTING DEVICE, CIRCULATION METHOD, AND PRINTING METHOD Non-Final OA KYOCERA CORPORATION

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