PTAB
IPR2026-00190
Microsoft Corp v. Sandpiper CDN LLC
Overview
Analysis
General
Parties
Attorneys
Patent
Related Cases
Dockets
General
Filed
12/29/25
Institution
05/15/26
FWD
--
Close
05/15/26
Status
Discretionary Denial
Outcome
Denied
Source
USPTO
Administrative Patent Judges
Pending Judge Assignment
Petitioner
Party
Name
Ratings
Microsoft Corp
L5
A
Show all (-1 more)
Attorney
Name
Ratings
Perkins Coie LLP
L5
E
Christopher Marando
L5
C
Jessica C. Kaiser
L3
E
Sarah E. Fowler
L2
B
Matthew A. Lembo
L2
C
Tyler Knox
L2
C
Steven Beigelmacher
L1
C
Show all (-3 more)
Respondent
Party
Name
Ratings
Sandpiper CDN LLC
NPE
L4
D
Show all (-1 more)
Attorney
Name
Ratings
Sterne, Kessler, Goldstein & Fox PLLC
L5
A
Daniel S. Block
L5
A
Jason D. Eisenberg
L5
E
Kristina C. Kelly
L4
C
Amirali Sharifi
L2
C
Show all (-5 more)