CHICAGO (July 21, 11:25 a.m. EDT) — Pull out your gas-assisted-lawsuit scorecards, because Cinpres Gas Injection Ltd. has filed a new one in Germany against Gain Technologies Inc.
Continuing the years-long, tit-for-tat legal warfare between the firms, Middlewich, England-Cinpres announced in mid-June that it filed the suit in Dusseldorf Patent Court. Cinpres Gas Injection charges that Gain of Sterling Heights, Mich., is infringing on a Cinpres European patent covering retractable in-mold gas injection nozzles. Cinpres said Gain was advertising a similar type of nozzle on its Web site.
Cinpres Gas Injection issued a news release about the lawsuit the week before the NPE 2003 trade show in late June.
Asked for a response at NPE, Gain President Michael Ladney said his company has had retractable nozzles for 10 years.
“If they want to sue us, we've some good answers,” he said.
Cinpres Chairman Terry Pearson said his company is a leader in retractable nozzles. Each nozzle is supplied with a license to operate, with no separate licensing fee.
“We are exasperated with receiving threats and lawsuits without good cause from Melea, Gain and PMT [Plastic Molded Technologies Inc.], all controlled by Michael Ladney,” Pearson said.
Pearson added that Cinpres plans to get more aggressive.
“We are determined to see the job finished and are starting to enforce our own intellectual property rights, which Cinpres has been hesitant to do in the past,” he said.
Cinpres Gas Injection offers retractable nozzles with hydraulic or electric drive formats. Retracting the nozzle to exhaust gas quickly after the molding cycle, and before the mold opens, allows an unrestricted flow of gas with no change of blocking, which can occur with some types of static gas injectors, according to the company.