Illustration: Radina Dobrinova for Endpoints News

His tiny pre­na­tal test­ing com­pa­ny has big plans af­ter ex­act­ing le­gal re­venge on lab gi­ants

Ravin­der Dhal­lan’s name is on key patents in non­in­va­sive pre­na­tal test­ing, a field that has re­shaped screen­ing for ex­pec­tant moth­ers. But he was a mi­nor …

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