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This undated photo shows "lawbreaking" Heritage birches in Bryn Mawr, Pa. The variety name under which this plant was patented is Heritage; it was later trademarked Heritage. That's a no-no: a variety and trademark name must be different. (AP Photo/Lee Reich)

Associated Press
This undated photo shows "lawbreaking" Heritage birches in Bryn Mawr, Pa. The variety name under which this plant was patented is Heritage; it was later trademarked Heritage. That's a no-no: a variety and trademark name must be different. (AP Photo/Lee Reich)
This undated photo shows "lawbreaking" Heritage birches in Bryn Mawr, Pa. The variety name under which this plant was patented is Heritage; it was later trademarked Heritage. That's a no-no: a variety and trademark name must be different. (AP Photo/Lee Reich)
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