In a seven-year battle over copyright infringement and commercial software piracy, Daniel J. Tobin, a Ballard Spahr litigation partner, continues representing Solers Inc., an Arlington-Va.-based defense contractor, in a District of Columbia court. Solers is defending itself against claims made by the Software & Information Industry Association (SIIA), a Washington-based trade group that polices corporate software piracy and calls itself "the principal trade association for the software and digital content industries."

In the course of the legal battle over software piracy, "John Doe," the unnamed informant with the original "evidence" against Solers that spawned the SIIA's lawsuit, vanished—and court documents showed that the SIIA never tried to verify his identity nor to locate him until 2010, when Solers' suit against him was returned to Superior Court in Washington, D.C. Mr. Tobin expressed anger, stating that the SIIA's disclosures proved it lacked standards for verifying tips given by anonymous sources: "It didn't seem the SIIA did any vetting of this source. It was a 'shoot first, ask questions later' policy."

"Clearly he's an Internet troll," Mr. Tobin said of John Doe. Solers Inc.'s case against John Doe could drag on for several more years. Mr. Tobin said: "It's certainly been an interesting ride. And the case isn't over."

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