Case Filed: Aug 19, 2013
Case Closed: Apr 08, 2014
Court: Texas Eastern District
Court
Judge: Rodney Gilstrap
Case Summary:
Texas-based patent holding
company, Power Management Enterprises (PME) accused
Dell of violating patent rights claiming that Dell have infringed two of its
patents covering management of computer memory systems and preventing data loss.
It also filed seven other suits in the
Eastern District of Texas against companies such as Toshiba, Samsung, HP,
Lenovo, etc.
The asserted patents include US5895488
entitled ‘Cache flushing methods and apparatus’ and US5895485 entitled ‘Method
and device using a redundant cache for preventing the loss of dirty data’ and were
issued on Apr 20, 1999. The patents are scheduled to expire[i]
by Feb 24, 2017 and are currently assigned[ii]
to PME (source: MaxVal’s Assignment
Database).
The ‘488 patent describes a
method and device for managing a cache containing data that has not been
committed to persistent storage. The ‘485 patent describes a method and device
using redundant cache for preventing the loss of data that has not been committed
to persistent memory.
The complaint alleges that Dell,
manufactures, uses, offers for sale, or sells disk storage systems, including
the Dell PowerVault MD3000 storage array that practice each limitation set
forth in at least claim 6 and 8 of the ‘485 and ‘488 patents, respectively. The suit sought the Court to award damages to PME in an amount
including pre-judgment and post-judgment interest.
The parties announced to the
Court that they have reached a resolution in this action and filed a notice to
dismiss all the claims and counterclaims with prejudice. The Court considering
the request granted the dismissal with each party incurring their own costs and
expenses.
All the other suits filed by PME
asserting either the '488 patent alone or both the patents were also dismissed
with prejudice.
See 2:13-cv-00639
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[i]
Expected expiration date. Patent Term Estimator is a free web-based tool that
automatically calculates patent terms and expiration dates for U.S. utility
patents
[ii]
MaxVal offers Patent Assignment Alert service where subscribers receive email
alerts when assignments relating to target applications, patents or entities of
interest are recorded.
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