Interesting, I have never actually heard a complaint against meta data, but I certainly see the similarities (Cough rip off)
Yours
Code:
<TITLE>Boundary area Residential or Commercial properties - Call Don Mann Coldwell Banker Border Country Real Estate Greenwood, BC Canada.</TITLE>
<meta name="robots" content="index,follow">
<meta name="revisit-after" content="7 days">
<meta name="distribution" content="global">
<meta name="author" content="Don Mann - Coldwell Banker Border Country Realty">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="CompanyName" CONTENT="Coldwell Banker Border Country Realty">
<META NAME="keywords" CONTENT="Don Mann coldwell Banker Border Country Realty boundary area region listing listings real estate for sale realestate list realtor agent represenative representatives agency business rock creek bridesville westbridge beaverdell midway greenwood grand forks christina lake southern bc british columbia BC canada canadian hwy 3 hwy-3 highway three west kootenay east kootenays north south okanagan valley east kootenay boundary area region canadian greenwood heritage buildings north south east west kootenays company companies location residential beaverdel commercial">
<META NAME="DESCRIPTION" CONTENT="Don Mann coldwell Banker Border Country Real Estate Listings, List your residential home or commercial business for sale with me personally and you will be placed on this my personal list of Boundary West Kootenay area Real Estate listings, (BC Highway-33 Beaverdell, Westbridge Hwy-3 Rock Creek, Bridesvile, Midway, Greenwood, Grand Forks and Christina Lake) giving you the advantage of higher exposure and more selling opportunities. The way to get your home listed on this website is to list your home with Don mann, Coldwell Banker Border Country Realty">
<META NAME="GENERATOR" CONTENT="Mozilla/4.05 [en] (Win95; I) [Netscape]">
His (I mean yours with his name on it)
Code:
<TITLE>Boundary area Residential or Commercial properties - Call John Ogloff Coldwell Banker Border Country Real Estate Grand Forks, BC Canada.</TITLE>
<meta name="robots" content="index,follow">
<meta name="revisit-after" content="7 days">
<meta name="distribution" content="global">
<meta name="author" content="John Ogloff - Coldwell Banker Border Country Realty">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="CompanyName" CONTENT="Coldwell Banker Border Country Realty">
<META NAME="keywords" CONTENT="John Ogloff coldwell Banker Border Country Realty boundary area region listing listings real estate for sale realestate list realtor agent represenative representatives agency business rock creek bridesville westbridge beaverdell midway greenwood grand forks christina lake southern bc british columbia BC canada canadian hwy 3 hwy-3 highway three west kootenay east kootenays north south okanagan valley east kootenay boundary area region canadian greenwood heritage buildings north south east west kootenays company companies location residential beaverdel commercial">
<META NAME="DESCRIPTION" CONTENT="John Ogloff coldwell Banker Border Country Real Estate Listings, List your residential home or commercial business for sale with me personally and you will be placed on this my personal list of Boundary West Kootenay area Real Estate listings, (BC Highway-33 Beaverdell, Westbridge Hwy-3 Rock Creek, Bridesvile, Midway, Greenwood, Grand Forks and Christina Lake) giving you the advantage of higher exposure and more selling opportunities. The way to get your home listed on this website is to list your home with John Ogloff, Coldwell Banker Border Country Realty">
<META NAME="GENERATOR" CONTENT="Mozilla/4.05 [en] (Winxp; I)
[Macromedia Dreamweaver]">
The first step you need to take, is contact this person directly and request sternly (But in a professional manner) that he change his header data, that has been copied from your site. Often times this will be met with "You can't copyright that! or Shoot I am busted, better blame it on some web guy I hired in India, those bastards (Yeah right) but I will take it down.
If he is unwilling to change the information (Which you can use the wayback machine to prove that you own) - file a complaint with your broker, as well as a DMCA to his web host - if that does not work, you need to get your lawyers or a notary involved and have a cease and desist letter sent to the offender, finally if none of this works, you do have to go to court 
Most of the time, the threat of a DMCA (With an explanation of what that is and that it can get their website taken down) works out just fine