Prosecution Insights
Last updated: April 19, 2026

Examiner: NELSON, JAMEL M

Tech Center 1700 • Art Units: 1743 1744

This examiner grants 73% of resolved cases

Performance Statistics

73.1%
Allow Rate
+8.1% vs TC avg
418
Total Applications
+17.4%
Interview Lift
995
Avg Prosecution Days
Based on 383 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
14.7%
§102 Novelty
49.9%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18795690 METHOD FOR PRODUCING THREE-DIMENSIONAL HYDROGEL STRUCTURES AND DEVICE FOR THE LAYERWISE BUILDING-UP OF SUCH HYDROGEL STRUCTURES Non-Final OA Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
18439909 Three-Dimensional Object Printing Apparatus And Three-Dimensional Object Printing Method Final Rejection SEIKO EPSON CORPORATION
18619744 HYDRAULIC 3D-PRINTING SYSTEM AND METHOD Final Rejection SprintRay, Inc.
18401160 HYDRAULIC 3D-PRINTING SYSTEM AND METHOD Final Rejection SprintRay, Inc.
18401155 HYDRAULIC 3D-PRINTING SYSTEM AND METHOD Final Rejection SprintRay, Inc.
18543791 HYDRAULIC 3D-PRINTING SYSTEM AND METHOD Final Rejection SprintRay, Inc.
18370105 HARDENED BUILD PLATFORM FOR USE IN THREE-DIMENSIONAL PRINTING SYSTEMS Non-Final OA SprintRay, Inc.
18195240 METHOD AND APPARATUS FOR PRODUCING PLASTIC CONTAINERS WITH ZONE INDICATORS INSPECTION OF PLASTIC PREFORMS Final Rejection KRONES AG
18689075 SHAPING DEVICE, SHAPING DEVICE MAINTENANCE METHOD, AND SHAPING METHOD Non-Final OA MIMAKI ENGINEERING CO., LTD.
18463021 3D Printing with Stationary Build Platform Non-Final OA Comcast Cable Communications, LLC
18835494 Deformable FDM filaments with functional ribbons Non-Final OA SIGNIFY HOLDING B.V.
19104342 APPARATUS FOR VOLUMETRIC 3D-PRINTING FOR FORMING A THREE-DIMENSIONAL OBJECT Non-Final OA xolo GmbH
18500465 FILM FORMING APPARATUS Non-Final OA Resonac Corporation
17429774 COREACTIVE THREE-DIMENSIONAL PRINTING OF PARTS Non-Final OA PPG Industries Ohio, Inc.
18636353 Rotational Stereolithography for Arcuate 3D Articles Non-Final OA 3D Systems, Inc.
18719670 MANUFACTURING OF HIGH TRANSPARENT ARTICLES USING FDM 3D PRINTING Final Rejection ESSILOR INTERNATIONAL
18815568 MONOLITHIC MULTI-OPTICS SCANNER HEAD Non-Final OA Divergent Technologies, Inc.
18738271 THERMAL CONTROL IN A STEREOLITHOGRAPHIC 3D PRINTER Non-Final OA Stratasys, Inc.
18709505 ON-THE-FLY 3D PRINTING Non-Final OA 3D Sil Ltd.
18641222 Apparatus and method for producing flexographic printing forms Non-Final OA Neuefeind GmbH
18640894 HEATED EXTRUDER FOR 3D CONCRETE PRINTER Final Rejection CEM TECH LLC
18609834 METHODS AND APPARATUS FOR ADDITIVE MANUFACTURING BASED ON MULTI-AXIS BUILD PLATFORMS Non-Final OA Advanced Printed Electronic Solutions LLC
18692714 POLYESTER INDUSTRIAL YARN DEDICATED TO MARINE HAWSER AND PREPARATION METHOD THEREOF Non-Final OA ZHEJIANG KINGSWAY HIGH-TECH FIBER CO., LTD
18688538 METHOD FOR DIGITAL ANALYTIC CORRECTION OF PHOTORESPONSIVE MATERIAL REACTIVITY IN ADDITIVE MANUFACTURING Non-Final OA Readily3D SA
18383907 PRINTING CONTROL METHOD, STORAGE MEDIUM, AND PHOTOCURING PRINTER Final Rejection SHENZHEN ANYCUBIC TECHNOLOGY CO., LTD.

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