Prosecution Insights
Last updated: April 19, 2026

Examiner: ZIMMERMANN, JOHN P

Tech Center 2800 • Art Units: 1657 2853 2861

This examiner grants 83% of resolved cases

Performance Statistics

82.6%
Allow Rate
+14.6% vs TC avg
756
Total Applications
+19.7%
Interview Lift
826
Avg Prosecution Days
Based on 724 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
15.3%
§102 Novelty
76.8%
§103 Obviousness
5.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18785222 IMAGE RECORDING APPARATUS Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18603232 INK JET RECORDING INK AND INK JET RECORDING METHOD Non-Final OA FUJIFILM CORPORATION
18023521 SOLID PHASE TRANSFERS OF DNA AND OTHER REAGENTS Non-Final OA North Carolina State University
19007934 LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT EMITTING DEVICE Final Rejection CANON KABUSHIKI KAISHA
18805807 PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT, AND LIQUID EJECTION HEAD Non-Final OA CANON KABUSHIKI KAISHA
18784262 LIQUID SUPPLY APPARATUS AND LIQUID DISCHARGE APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18783551 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18781828 RECORDING DEVICE Non-Final OA SEIKO EPSON CORPORATION
18620573 RECORDING DEVICE Non-Final OA SEIKO EPSON CORPORATION
18616987 ABNORMALITY DETERMINATION METHOD FOR LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18824916 IMAGE FORMING APPARATUS Non-Final OA RICOH COMPANY, LTD.
18840502 LIQUID DISCHARGE SYSTEM Non-Final OA RICOH COMPANY, LTD.
18788845 IMAGE FORMATION CONTROL METHOD AND IMAGE FORMING APPARATUS Non-Final OA KYOCERA Document Solutions Inc.
18118198 CONVEYING DEVICE Non-Final OA RISO KAGAKU CORPORATION
18569748 A PLOTTER FOR DIGITAL PRINTING OF A DEFORMABLE OR YIELDING MATERIAL Non-Final OA SYSTEM CERAMICS S.P.A.
18829346 Digital printing system Non-Final OA Landa Corporation Ltd.
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.
18752553 Specialized Inksets and Alternative Fluids and Related Systems Non-Final OA Brady Worldwide, Inc.
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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