ParkerVision's Patent Portfolio Once Again Recognized for Its Strength by The Patent Board(R)

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JACKSONVILLE, Fla., March 19, 2014 (GLOBE NEWSWIRE) -- ParkerVision, Inc. (Nasdaq:PRKR), a developer and marketer of semiconductor technology solutions for wireless applications, today announced that its patent portfolio once again ranked among the Top 25 companies in The Patent Board's Telecom and Communications Industry scorecard, published by The Wall Street Journal on March 17, 2014.

ParkerVision ranked in the top 25 for the overall measure of technology strength and, for the fourth consecutive reporting period, earned the highest score among the top 50 companies in terms of 5-year cumulative science strength. ParkerVision ranked second among the top 50 companies in the measures of research intensity, industry impact and 13-week science strength.

The Patent Board also analyzed the Transmission subcategory of Telecommunications, which is part of their internal Technology Area classification system. In this subcategory, ParkerVision had the highest Science Linkage™ with a score of 128.4, compared to an average score in this subcategory of 2.0. According to The Patent Board, Science Linkage measures the average scientific referencing per patent and can be a signal of cutting-edge technologies.

ParkerVision Chairman and CEO, Jeffrey Parker, commented, "We are pleased to see The Patent Board's recognition of our state-of-the-art transmission innovations and IP. We accelerated our development in this category in the mid-2000's when we recognized the demands and design challenges of 3G, 4G, and future networks and the requirements to reduce power consumption, reduce heat generation, and improve performance in highly integrated advanced semiconductor processes. Together with our partner 3LP, we are actively offering licensing and/or product ventures to companies whose products will benefit from the significant advantages enabled by our RF innovations."

ParkerVision has a worldwide portfolio of over 245 patents, including 28 granted within the last twelve months.

The Patent Board, the leading independent provider of best practices research, tools and metrics for patent analysis and intellectual property investment, tracks and analyzes innovation, movement, and the business value of patent assets across all industries. Its tri-annual rankings on the telecom and communications industry are based on a comprehensive review of the quantity and quality of a company's patents, including measurements of the science strength, industry impact, research intensity and innovation cycle time.

About ParkerVision

ParkerVision, Inc. designs, develops and markets its proprietary radio-frequency (RF) technologies that enable advanced wireless solutions for current and next generation communications networks. Protected by a highly-regarded, worldwide patent portfolio, the Company's solutions for wireless transfer of RF waveforms address the needs of a broad range of wirelessly connected devices for high levels of RF performance coupled with best-in-class power consumption. For more information please visit (PRKR-G).

Safe Harbor Statement

This press release contains forward-looking information. Readers are cautioned not to place undue reliance on any such forward-looking statements, each of which speaks only as of the date made. Such statements are subject to certain risks and uncertainties which are disclosed in the Company's SEC reports, including the Form 10K for the year ended December 31, 2013. These risks and uncertainties could cause actual results to differ materially from those currently anticipated or projected.

CONTACT: Investor Contact: Cindy Poehlman Chief Financial Officer ParkerVision, Inc. 904-732-6100, or Kathy Price Vice President The Piacente Group 212-481-2050,

Source:ParkerVision, Inc.