** Shares of Australia's Brazilian Critical Minerals BCM.AX fall as much as 12% to A$0.022
** The rare earth elements explorer said on Tuesday it was served a writ of summons in the Supreme Court of Western Australia by Drake Private Investments
** Claim by Drake Private Investments relates to alleged breach by co for issuing and pricing of shares
** Co disputes Drake's allegations and claimed losses, intends to defend the action
** Around 16.2 mln shares change hands, nearly 2.5x 30-day average
** BCM up 155.6% YTD
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.singhchundawat@thomsonreuters.com))