Prosecution Insights
Last updated: April 19, 2026

Examiner: LEE, GILBERT Y

Tech Center 3600 • Art Units: 3673 3674 3675 3676

This examiner grants 79% of resolved cases

Performance Statistics

78.6%
Allow Rate
+26.6% vs TC avg
1420
Total Applications
+10.4%
Interview Lift
920
Avg Prosecution Days
Based on 1376 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
36.9%
§102 Novelty
44.3%
§103 Obviousness
13.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18985410 GARTER SPRING INCLUDING OUTER, INNER AND MIDDLE COILED SPRING MEMBERS Non-Final OA Halliburton Energy Services, Inc.
19309234 SEALING UNIT FOR INSPECTING WATERPROOFNESS OF HALF-FINISHED PRODUCT Non-Final OA DMC CO., LTD
19305837 Dichtungseinrichtung, Strömungsmaschine und Verwendung Non-Final OA MTU Aero Engines AG
19292026 SELECTIVELY DENSIFIED MEMBRANE SEALANT AND PROCESS FOR MAKING SAME Non-Final OA W. L. Gore & Associates, Inc.
19291518 3D SEAL ASSEMBLY Non-Final OA Garlock Sealing Technologies, LLC
18988853 PISTON RING WITH TRAPEZOIDAL OPENING Final Rejection MAHLE International GmbH
18108427 In-situ gasket formation Non-Final OA Applied Materials, Inc.
19109888 CONDUCTIVE SLIDING MEMBER, SEALING DEVICE, AND MANUFACTURING METHOD OF SEALING DEVICE Non-Final OA NOK CORPORATION
18867456 SEALING RING HAVING OVERLAPPING SEALING PARTS, AND STATOR ARRANGEMENT HAVING SAME Final Rejection Siemens Energy Global GmbH & Co. KG
18910903 PISTON RING Non-Final OA Hamilton Sundstrand Corporation
18578779 Flexible Structure Non-Final OA KSB SE & Co., KGaA
19081496 COMPOSITE SEAL FOR A MOTOR VEHICLE Final Rejection BRUSS SEALING SYSTEMS GMBH
18565236 SEALING ARRANGEMENT FOR A DEVICE FOR DRIVING A COMPRESSOR Non-Final OA Hanon Systems
18204272 END CAP FOR A CABLE CLOSURE Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
19006244 SEALING RING ASSEMBLY STRUCTURE AND ELECTRONIC DEVICE Non-Final OA AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
18912582 Plurality of Studs being Friction Welded to an Exterior Surface of a Storage Tank having a Block Patch and a Member between the Exterior Surface and the Studs Final Rejection Forge Tech, Inc.
18897039 MULTILAYER GASKET AND METHODS OF FORMING THE SAME Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18401491 SEAL FOR A PORT OF AN ENCLOSURE CONFIGURED TO PERMIT A PRE-CONNECTORIZED CABLE TO BE INSERTED INTO AND REMOVED FROM THE SEAL WITH A CONNECTOR ATTACHED TO THE CABLE Final Rejection PPC BROADBAND, INC.
18838630 Sealing arrangement, in particular mechanical seal, preferably for use in coolant units Final Rejection KACO GmbH + Co. KG
18769622 SEAL RING RETENTION AND CENTERING SYSTEM FOR A GYRATORY CRUSHER Non-Final OA Metso USA Inc.
18738609 Manufacturing of Wear Resistant Coatings Non-Final OA The Royal Institution for the Advancement of Learning/McGill University
18711898 SEALING DEVICE AND SEALING SYSTEM Non-Final OA BGI Hangzhou CycloneSEQ Technology Co., Ltd.
18709630 SLIDE RING OF A MECHANICAL SEAL AND METHOD FOR THE PRODUCTION THEREOF Final Rejection EagleBurgmann Germany GmbH & Co., KG
18199857 APPARATUS FOR CONTROLLED RELEASE OF A THERMOCYCLER SEAL Non-Final OA Opentrons LabWorks Inc.
17305378 GLASS REINFORCED EPOXY KAMMPROFILE SEALING GASKET Final Rejection LGC US Asset Holdings, LLC
18110670 GRIP APPARATUS Non-Final OA Otter Products, LLC
16085886 ARRANGEMENTS FOR PROVIDING A SUBSTANTIALLY FLUID-TIGHT SEAL Final Rejection GALVGARD (U.K.) LIMITED

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