$param ='simpleSearchSearchForm=simpleSearchSearchForm&simpleSearchSearchForm%3Aj_idt379=ALLTXT&simpleSearchSearchForm%3AfpSearch=brushless+motor&simpleSearchSearchForm%3AcommandSimpleFPSearch=Search&simpleSearchSearchForm%3Aj_idt447=workaround&$viewState';


$request = HTTP::Request->new('POST', 'https://patentscope.wipo.int/search/en/search.jsf');
$request->header('Content-Type' => 'application/x-www-form-urlencoded');
$request->header('Referer' => "https://patentscope.wipo.int/search/en/search.jsf");
$request->header('Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'); 
$request->header('Connection' => 'keep-alive'); 
$request->header('Cookie' => uc $jsessionID.'; ABIW=balancer.cms41; wipo_language=en; BSWA=balancer.bswa2'); 
$request->content($param);
#Proxy-Authorization: Negotiate ?
$response = $ua->request($request);
$page = $response->decoded_content(); #empty 

print $page;