Prosecution Insights
Last updated: August 17, 2026

Examiner: BARZACH, JEFFREY EUGENE

Tech Center 2800 • Art Units: 1717 1731 1766 2853

This examiner grants 57% of resolved cases

Performance Statistics

56.6%
Allow Rate
-11.4% vs TC avg
191
Total Applications
+41.3%
Interview Lift
1263
Avg Prosecution Days
Based on 143 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
17.2%
§102 Novelty
52.8%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17851563 REVERSIBLY THERMOCHROMIC AQUEOUS INKJET PRINTER INK COMPOSITION, INKJET PRINTER AND INK CARTRIDGE USING THE SAME Final Rejection TOSHIBA TEC KABUSHIKI KAISHA
18315249 PHOTOCURABLE COMPOSITION Final Rejection CANON KABUSHIKI KAISHA
17938655 INKJET INK Final Rejection KYOCERA Document Solutions Inc.
18351470 ELECTRON BEAM CURABLE INK AND IMAGE RECORDING METHOD Final Rejection FUJIFILM CORPORATION
18064937 INK SET AND PRINTED ARTICLE Final Rejection FUJIFILM Corporation
17949207 INK JET TEXTILE PRINTING INK AND INK JET TEXTILE PRINTING METHOD Final Rejection FUJIFILM Corporation
17873267 INK COMPOSITION, INK SET, AND IMAGE RECORDING METHOD Non-Final OA FUJIFILM Corporation
18588116 Ink Jet Ink Composition And Recording Method Non-Final OA SEIKO EPSON CORPORATION
18427892 Ink Jet Ink Composition, Ink Set, And Recording Method Final Rejection SEIKO EPSON CORPORATION
18512222 Ink Jet Ink Composition And Recording Method Non-Final OA SEIKO EPSON CORPORATION
18458578 Maintenance Liquid, Maintenance Method, Recording Apparatus, And Ink Set Non-Final OA SEIKO EPSON CORPORATION
18070002 Ink Set And Recording Method Non-Final OA SEIKO EPSON CORPORATION
17456227 INK COMPOSITION FOR INK JET PIGMENT TEXTILE PRINTING, INK SET, AND RECORDING METHOD Non-Final OA Seiko Epson Corporation
18367968 DIRECT INK WRITE ADDITIVE MANUFACTURING OF THERMOPLASTIC POLYMERS AND THERMOPLASTIC POLYMER COMPOSITES AT AMBIENT CONDITIONS Non-Final OA Lawrence Livermore National Security, LLC

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