"This sends a very strong signal to file-sharers, " said Henrik Ponten, legal council at the group.
The ultimate solution, however, may be to bow to the laws of supply and demand that file-sharers flout.
Critics describe the incident as an embarrassment to the French government, which has introduced new rules targeting illegal file-sharers.
The case has raised some serious questions about how copyright firms pursue file-sharers.
Punishments for file-sharers have ranged from fines and Internet bans to jail time.
And Germany's legal system has allowed media firms to demand mass prosecutions of file-sharers, which seems to have deterred piracy.
ECONOMIST: By moving slowly, the German media market stays ahead
From an initial 250-odd cases, the industry has now sued more than 1, 500 alleged file-sharers, of whom around 400 have settled.
At the same time Business Secretary Peter Mandelson has moved to toughen up anti-piracy legislation to include the ability to remove persistent file-sharers from the net.
The firm responsible for tracking down illegal file-sharers in France is back at full speed, after an enforced suspension of some of its work.
The study also revealed that so-called blocklists, used by some illegal file-sharers to prevent monitors from connecting to their computers, might not be much use.
One of the most comprehensive studies into media sharing and consumption habits in the United States and Germany reveals that file-sharers buy 30% more music than their non-sharing counterparts.
FORBES: File Sharers Buy More Music Than Non-File Sharers: Not Quite What The Report Says
"All the monitors observed during the study would connect to file-sharers and verify that they were running the BitTorrent software, but they would not actually collect any of the files being shared, " he said.
But critics of the bill - including several leading internet service providers (ISPs) - say it can be difficult to identify persistent file-sharers, particularly those that share a web connection or use a public access point.
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