This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on March 16, 2021 and assigned serial number 91268187 by the TTAB. Plaintiff: Airthings ASA represented by GREGORY J CHINLUND of MARSHALL GERSTEIN & BORUN LLP. Trademark Information: AIRTHINGS – US Trademark Serial Number 86461344View Trademark Status at USPTOView Trademark Documents at…
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