This story originally appeared in Biocommerce Week, a newsletter that has been discontinued.
A Qiagen official said this week that the firm intends to appeal at the federal level an unfavorable Markman ruling in an ongoing human papillomavirus patent dispute between Third Wave Technologies and Digene, which Qiagen recently acquired.

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US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

Bloomberg reports that Brainstorm Cell Therapeutics plans to offer a treatment it is developing under the "right to try" law for hundreds of thousands of dollars.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.