90/016,400METHOD FOR BUILDING THREE-DIMENSIONAL OBJECTS WITH EXTRUSION-BASED LAYERED DEPOSITION SYSTEMS7,555,357Open

Status

Determination - Reexamination Ordered

Filed

Jun 17, 2026

Last Updated

Aug 10, 2026

Art Unit

3991

Requester

Unknown

Requester Law Firm

Fish & Richardson, P.C.

Requested By

Third Party

Patent OwnerInferred

Stratasys Inc.

Sector (CPC)

BMechanical & Manufacturing
B29Plastics Working
B29CPlastics Shaping

USPC

700Data Processing: Generic Control Systems Or Specific Applications

Reexam History (18 events)

Aug 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 16, 2026DOCKCase Docketed to Examiner in GAU
Jul 2, 2026MRXNReexamination Formalities Notice Mailed
Jul 2, 2026MRXNReexamination Formalities Notice Mailed
Jul 2, 2026COMPApplication Is Now Complete
Jul 1, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 1, 2026RXNREQFDNotice of reexamination request filing date
Jul 1, 2026RXNREQAUNotice of assignment of reexamination request
Jul 1, 2026FTFIFITF set to NO - revise initial setting
Jun 30, 2026RXRLFReExam Litigation Found
Jun 30, 2026RXLITSRReexam Litigation Search Conducted
Jun 30, 2026PRXRParalegal Reexam Review Complete
Jun 17, 2026RXTTLRPTTitle Report
Jun 17, 2026RXOSUB.RReexamination requested by third party requester
Jun 17, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 17, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jun 17, 2026RXC/SRCertificate of Service
Jun 17, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Jun 30, 2009
3.5-yr
Dec 30, 2012
7.5-yr
Dec 30, 2016
11.5-yr
Dec 30, 2020
Paid Nov 19, 2020
Expiry
Mar 3, 2027

Entity Status

Large Entity

Expires

Mar 3, 2027 (0.7 yr remaining)

Term Adjustment

+396 days (~1.1 yr)

Assignments

Jan 2006Feb 2006FiledDONALD J. HOLZWARTHSTRATASYS, INC.
AssignmentReel/Frame: 017517/0915Recorded: Jan 31, 2006

From

DONALD J. HOLZWARTHInventor
Jan 23, 2006

To

STRATASYS, INC.