I also had a look at the DBIx::Chart homepage,

There was no mention of DBIx::Chart in the OP. My reply only applies to the module he did mention, DBD::Chart. I made no comments regarding DBIx::Chart. Having not found the word "returning" in the source for DBD::Chart, I didn't realize he pulled a switcheroo on me in his second post.

It looks far more likely that DBIx::Chart might have common ground with the patent.

In reply to Re^3: Help! DBD/DBIx::Chart need patent protection! by ikegami
in thread Help! DBD/DBIx::Chart need patent protection! by renodino

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