Prosecution Insights
Last updated: May 29, 2026

Examiner: ZIMMERMANN, JOHN P

Tech Center 2800 • Art Units: 1657 2853 2861

This examiner grants 83% of resolved cases

Performance Statistics

82.8%
Allow Rate
+14.8% vs TC avg
761
Total Applications
+19.5%
Interview Lift
771
Avg Prosecution Days
Based on 734 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
3.3%
§102 Novelty
95.4%
§103 Obviousness
0.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18788999 LIQUID CARTRIDGE Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18785222 IMAGE RECORDING APPARATUS Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18784262 LIQUID SUPPLY APPARATUS AND LIQUID DISCHARGE APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18812768 RECORDING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18783551 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18620573 RECORDING DEVICE Non-Final OA SEIKO EPSON CORPORATION
18603232 INK JET RECORDING INK AND INK JET RECORDING METHOD Non-Final OA FUJIFILM CORPORATION
18824916 IMAGE FORMING APPARATUS Non-Final OA RICOH COMPANY, LTD.
18788845 IMAGE FORMATION CONTROL METHOD AND IMAGE FORMING APPARATUS Non-Final OA KYOCERA Document Solutions Inc.
18726404 PRINTING FLUID EJECTION ASSEMBLIES Non-Final OA Hewlett-Packard Development Company, L.P.
18829346 Digital printing system Non-Final OA Landa Corporation Ltd.
18840263 INKJET INK Non-Final OA Nippon Kayaku Kabushiki Kaisha
18812376 PRINT HEAD HEALTH DETERMINING DEVICE AND METHOD Non-Final OA Canon Production Printing Holding B.V.
18739821 Device and Method for Regenerating a Print Head Non-Final OA Canon Production Printing Holding B.V.
18569748 A PLOTTER FOR DIGITAL PRINTING OF A DEFORMABLE OR YIELDING MATERIAL Non-Final OA SYSTEM CERAMICS S.P.A.
18627235 METHOD AND DEVICE FOR CORRECTING A PRINT TEMPLATE FOR PRINTING ON CONTAINERS Non-Final OA Dekron GmbH
18277567 METHOD AND DEVICE FOR COATING A SURFACE Final Rejection HOMAG GmbH
18537472 HEAD CHIP, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE Final Rejection SII Printek Inc.

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