Internet brand name is they're such a thing or are you talking a company trademark?
Email recieved below

Dear sir or madam,

We are HONGKONG IDCi Information Technology Co.,Ltd which is the domain name registrar centre in China. We have something need to confirm with you.

On the December 27, 2007, we received an application formally. One company named "RuiLian Investment (China) Co., Ltd" applied for the Internet Brand name "carefill" and the domain name "carefill.cn / .com.cn / .net.cn / .org.cn / .hk / .tw / .tm. / .mobi" which involve internet intellectual property right of your company.

These days we are dealing with it. In order to deal with this issue better, Please contact me by telephone or email as soon as possible.

Best Regards!
David

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Ultima Ratio Regum

The cynic in me says it's a simple cold call Email - Designed to make you feel the need to register the other domains - and with them.

That's the stance i took when (quite a while ago) some random guy fones me up because he felt obliged to inform me somebody was trying to register what should be our domain with him - but as it was our company name he'd let me have it first.......

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Yeah, but a good joke is a good joke - Lemon=GCHQ=
It is JGC right? Or did i just piss my pants in front the geeks? - Wowyouareacow
Just loading up now....
Stay Frosty

we've had them call at work - a swift "feck OFF" usually works

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Insert unfunny comment here ->

Aye I thought it was that tbh. After all the domain names taht we want are ours, and as for brand name, its a trademark issue and we the company must have years of prior use in that if it needs to be argued about.
But ya never know.

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Ultima Ratio Regum

RUN A MILE!

Reminds me our boss (financial, not the actual business man) bought up a cc name - thinking it looked like "County Council"... for a silly amount of money.
Some small dodgy country somewhere, no-one would trust a business at that domain

Would happily block China on a spam filter for this lot, unfortunately, its textiles so half the emails are from chinese companies.

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Ultima Ratio Regum