By Chelsey Dulaney 

Apple Inc. was ordered this week to pay $23.6 million in damages after a Texas jury found that its devices used technology patented in the 1990s by a pager company.

Mobile Telecommunications Technologies LLC filed a patent infringement suit against Apple last year, alleging that a variety of Apple's products--including iPhones and iPads that offer services like messaging, meeting requests and shipping notifications--infringed on several MTel patents covering messaging technology. The patents were issued in the mid-to-late 1990s.

Daniel Scardino, an attorney who represented Mobile Telecommunications in the case, said the company had sought about 10 times the amount of damages it was awarded. The jury sided against MTel on a claim that Apple's emojis infringed on an MTel patent.

MTel was a pioneer in wireless messaging in the 1990s, credited with launching the first two-way wireless paging service, SkyTel 2-Way. Today, the company controls the patents of its entities, while the SkyTel network is still used by emergency responders.

Mr. Scardino said the jury ruling was a nod to companies like MTel, who decades ago developed wireless communication technology that he says formed the basis for today's mobile technology, such as iPhones.

An Apple spokeswoman declined to comment.

Apple is no stranger to patent battles, including its fights with Samsung Electronics Co., the $2 billion infringement suit filed by German patent-holding firm IPCom GmbH early this year and a patent-infringement suit brought last year by Intertrust Technologies Corp. Intertrust, which is backed by Sony Corp. and Royal Philips Electronics NV, agreed to settle the case this spring.

In September, a federal appeals court threw out a $368 million jury award for patent infringement that VirnetX Holding Corp. won against Apple in 2012. VirnetX alleged in 2010 that Apple's FaceTime and a feature related to virtual private networks infringed the firm's patents.

The case was sent back to a trial court for reconsideration, as VirnetX pursues another lawsuit that claims newer Apple devices infringe the same patents.

Write to Chelsey Dulaney at Chelsey.Dulaney@wsj.com

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