[IP] Microsoft pockets an IM patent
Microsoft pockets an IM patent
By <mailto:jimh@xxxxxxxx?subject=FEEDBACK:Microsoft pockets an IM
patent>Jim Hu
Staff Writer, CNET News.com
<http://news.com.com//2100-1028_3-5088150.html?tag=prntfr>http://news.com.com/2100-1028-5088150.html
Story last modified October 7, 2003, 6:15 PM PDT
Microsoft has won a patent for an instant messaging feature that notifies
users when the person they are communicating with is typing a message.
The patent encompasses a feature that's not only on Microsoft's IM products
but also on those of its rivals America Online and Yahoo. The patent was
granted on Tuesday.
Patent No. 6,631,412 could serve as a weapon in Microsoft's battle for IM
market share. Microsoft is investing heavily in IM as a springboard for
selling communication software to businesses. Later this year,
<http://news.com.com//2100-1032-5062191.html?tag=nl>Microsoft plans to
launch Live Communications Server, a software product that will initially
offer IM for the enterprise and then expand into Internet voice calling and
video services.
The software giant currently offers MSN Messenger as a free download off
the Web, as well as Windows Messenger, the IM client for its XP operating
system. Both services have amassed millions of users.
Having a patent can be a powerful tool, but only if it can be proven in a
court that its owner has bulletproof claims to the invention, according to
legal experts. Companies that challenge a patent have to prove the patent
owner was not the first one on record for the invention.
"This means that if someone tries to invalidate the Microsoft patent, they
would try to find examples of instant messaging that predated the filing
date," said Carl Oppedahl, an intellectual property attorney at Oppedahl,
Larson & Frisco in Colorado.
A Microsoft representative declined to comment on the patent. Both AOL and
Yahoo representatives declined comment as well.
Microsoft is not the first company to pursue a patent over IM. In December
2002, <http://news.com.com//2100-1023-978234.html?tag=nl>AOL subsidiary ICQ
won a patent that claimed rights as the inventor of IM. AOL has not flexed
its muscle on the patent, and competitive IM services remain active.
The rush to patent elements of IM underscores the application's popularity
and potential. IM has become widely used by millions of Web users who
exchange text messages with each other in real time. Some of the most
popular IM services--AOL Instant Messenger, Yahoo Messenger and MSN--have
added features, such as video conferencing, animated emoticons and mobile
access.
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