Prosecution Insights
Last updated: May 29, 2026

Examiner: LIU, SHUYI S

Tech Center 1700 • Art Units: 1774

This examiner grants 73% of resolved cases

Performance Statistics

73.0%
Allow Rate
+8.0% vs TC avg
520
Total Applications
+26.8%
Interview Lift
1148
Avg Prosecution Days
Based on 466 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
2.4%
§102 Novelty
71.2%
§103 Obviousness
25.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18113773 Continuous-Flow Centrifuge Chambers Having A Non-Uniform Radius High-G Wall Non-Final OA Fenwal, Inc.
18154949 DEVICES AND METHODS FOR PROCESSING WHOLE BLOOD USING FLOW RATE STOPPAGE PHASE Final Rejection Fenwal, Inc.
18076504 Systems And Methods For Setting A Continuous-Flow Centrifuge Rotation Rate Final Rejection Fenwal, Inc.
18280076 CENTRIFUGAL SEPARATOR AND PROTECTIVE MEMBER Non-Final OA Alfa Laval Corporate AB
18037177 A CENTRIFUGAL SEPARATOR AND A METHOD OF OPERATING A CENTRIFUGAL SEPARATOR Non-Final OA Alfa Laval Corporate AB
18034846 DEVICE AND METHOD FOR CONTINUOUSLY SEPARATING FLOWABLE MATERIALS OF DIFFERENT DENSITY IN A SUSPENSION Non-Final OA ALFA LAVAL CORPORATE AB
18029526 MODULAR CENTRIFUGAL SEPARATOR SYSTEM Non-Final OA Alfa Laval Corporate AB
17908371 A BEARING MEMBER FOR SUPPORTING A ROTATABLE AXLE Non-Final OA Alfa Laval Corporate AB
17894905 APPARATUS AND METHODS FOR CLEAN TRANSFER OF CENTRIFUGED MATERIALS Final Rejection ENTEGRIS, INC.
17729761 Ultracompact Centrifuge, Specimen Container, and Methods of Use Final Rejection Laboratory Corporation of America Holdings
17719759 Method and Device for Portable and Energy Efficient Centrifugation Final Rejection Laboratory Corporation of America Holdings
17229460 DEVICES AND METHODS FOR PORTABLE AND COMPACT CENTRIFUGATION Final Rejection Laboratory Corporation of America Holdings
18769085 CENTRIFUGE THAT INCLUDES AT LEAST ONE DISCRETE, FLOW INTERFERENCE MEMBER, AND RELATED COMPONENTS, SYSTEMS AND METHODS Final Rejection Separator Technology Solutions US Inc
18426950 METHODS AND SYSTEMS FOR CLASSIFICATION AND RECOVERY Non-Final OA Somerset International Finance Designated Activity Company
18408845 CENTRIFUGE AND METHOD FOR CENTRIFUGING A REACTION VESSEL UNIT Final Rejection Yantai AusBio Laboratories Co., Ltd.
18403481 CENTRIFUGE WITH MAGNETIC COUPLING ELEMENT FOR COUPLING WITH A REACTION VESSEL UNIT OR A REACTION VESSEL UNIT CARRIER Final Rejection Yantai AusBio Laboratories Co., Ltd.
17956145 METHODS FOR SEPARATING SUSPENSIONS USING SINGLE-USE CENTRIFUGE CONTAINERS Non-Final OA Thermo Electron LED GmbH
17925006 Centrifuge Final Rejection Andreas Hettich GmbH & Co. KG
17775723 CENTRIFUGE FOR AUTOMATIC LOADING Final Rejection Andreas Hettich GmbH & Co., KG
17633982 CENTRIFUGE WITH TRANSCEIVER UNITS AND ANNULAR SUPPORTS Final Rejection Andreas Hettich GmbH & Co. KG
18035638 CENTRIFUGAL SCREW, AND SOLID BOWL SCREW CENTRIFUGE Final Rejection FLOTTWEG SE
18035618 CENTRIFUGAL SCREW, AND SOLID BOWL SCREW CENTRIFUGE Non-Final OA FLOTTWEG SE
18035440 SCREW HUB, CENTRIFUGAL SCREW, AND SOLID BOWL SCREW CENTRIFUGE Final Rejection FLOTTWEG SE
18034162 SEPARATOR Non-Final OA GEA WESTFALIA SEPARATOR GROUP GMBH
18021062 SEPARATOR INSERT AND SEPARATOR Non-Final OA GEA WESTFALIA SEPARATOR GROUP GMBH
17916226 CENTRIFUGE AND METHOD FOR OPERATING A CENTRIFUGE Non-Final OA GEA MECHANICAL EQUIPMENT GMBH
17776732 SEPARATOR DISC, SEPARATOR DISC PACKAGE, CENTRIFUGE CONTAINING THE SEPARATOR DISC PACKAGE AND METHOD FOR PRODUCING THE SEPARATOR DISC Final Rejection GEA MECHANICAL EQUIPMENT GMBH
17795916 SYSTEM AND METHOD FOR BALANCING A CENTRIFUGE ROTOR Final Rejection Fiberlite Centrifuge LLC
17836291 ROTOR WITH IMPROVED SPILL CONTROL Non-Final OA Fiberlite Centrifuge LLC
17762700 SWING ROTOR ASSEMBLY FOR CENTRIFUGE Final Rejection MIRACELL CO., LTD.

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