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Case 6:14-cv-00687-PGB-KRS Document 220 Filed 10/02/15 Page 1 of 3 PageID 8353 UNITED STATES DISTRICT COURT MIDDLE DISTRICT OF FLORIDA ORLANDO DIVISION PARKERVISION, INC., ) Plaintiff, ) v. Case No. 6:14-cv-687-PGB-KRS ) QUALCOMM INCORPORATED, et al., ) Defendants. ) PARKERVISION S NOTICE OF FILING FEDERAL CIRCUIT OPINION Plaintiff ParkerVision, Inc. gives notice of filing the attached opinion of the U.S. Court of Appeals for the Federal Circuit denying ParkerVision s petition for rehearing in ParkerVision s appeal arising out of ParkerVision I. ParkerVision currently anticipates petitioning the Supreme Court of the United States for a writ of certiorari in that matter. McKOOL SMITH, P.C. Douglas A. Cawley, Lead Attorney Texas State Bar No. 04035500 E-mail: dcawley@mckoolsmith.com John Austin Curry Texas State Bar No. 24059636 E-mail: acurry@mckoolsmith.com 300 Crescent Court, Suite 1500 Dallas, Texas 75201 Telephone: (214) 978-4000 Telecopier: (214) 978-4044 SMITH HULSEY & BUSEY By /s/ James A. Bolling Stephen D. Busey James A. Bolling Florida Bar Number 901253 225 Water Street, Suite 1800 Jacksonville, Florida 32202 (904) 359-7700 (904) 359-7708 (facsimile) jbolling@smithhulsey.com

Case 6:14-cv-00687-PGB-KRS Document 220 Filed 10/02/15 Page 2 of 3 PageID 8354 T. Gordon White Texas State Bar No. 21333000 gwhite@mckoolsmith.com Kevin L. Burgess Texas State Bar No. 24006927 kburgess@mckoolsmith.com Josh W. Budwin Texas State Bar No. 24050347 jbudwin@mckoolsmith.com Leah Buratti Texas State Bar No. 24064897 lburatti@mckoolsmith.com McKool Smith P.C. 300 West Sixth Street, Suite 1700 Austin, Texas 78701 Telephone: (512) 692-8700 Telecopier: (512) 692-8744 Attorneys for ParkerVision, Inc. - 2 -

Case 6:14-cv-00687-PGB-KRS Document 220 Filed 10/02/15 Page 3 of 3 PageID 8355 Certificate of Service I certify that on October 2, 2015, I electronically filed the foregoing with the Clerk of Court by using the CM/ECF system. I further certify that I mailed the foregoing document and the notice of electronic filing by first-class mail to the following non-cm/ecf participants: none. /s/ James A. Bolling Attorney 911553.1-3 -

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 1 Filed: Page 10/02/2015 1 of 7 PageID 8356 NOTE: This disposition is nonprecedential. United States Court of Appeals for the Federal Circuit PARKERVISION, INC., A FLORIDA CORPORATION, Plaintiff-Appellant v. QUALCOMM INCORPORATED, A DELAWARE CORPORATION, Defendant-Cross-Appellant 2014-1612, -1655 Appeals from the United States District Court for the Middle District of Florida in No. 3:11-cv-00719-RBD-JRK, Judge Roy B. Dalton, Jr. ON PETITION FOR REHEARING Decided: October 2, 2015 DONALD ROBERT DUNNER, Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, Washington, DC, for plaintiff-appellant. Also represented by ERIK R. PUKNYS, Palo Alto, CA; JOSHUA WRIGHT BUDWIN, KEVIN LEE

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 2 Filed: Page 10/02/2015 2 of 7 PageID 8357 2 PARKERVISION, INC. v. QUALCOMM INCORPORATED BURGESS, McKool Smith, PC, Austin, TX; DOUGLAS AARON CAWLEY, Dallas, TX. TIMOTHY TETER, Cooley LLP, Palo Alto, CA, for defendant-cross-appellant. Also represented by BENJAMIN G. DAMSTEDT, JEFFREY S. KARR, LORI R. MASON, STEPHEN C. NEAL; JEFFREY A. LAMKEN, MARTIN TOTARO, MoloLamken LLP, Washington, DC; JOHN M. WHEALAN, Chevy Chase, MD. Before LOURIE, BRYSON, and CHEN, Circuit Judges. BRYSON, Circuit Judge. ParkerVision seeks rehearing of our decision affirming the judgment of non-infringement as a matter of law. We deny the petition. In the panel opinion, we agreed with the district court that Dr. Prucnal s admission that the baseband signal is created at the output of the mixer and before the storage capacitor is fatal to ParkerVision s infringement case. ParkerVision contends that we misinterpreted Dr. Prucnal s testimony: It now asserts that the signal coming out of the mixer is a modulated baseband, i.e., a baseband being carried on the carrier signal, while the real demodulated baseband is generated only when the switches are opened and the storage capacitors are discharged. 1 1 This is ParkerVision s third attempt to explain away the inconsistencies in Dr. Prucnal s testimony. In response to Qualcomm s motion for judgment as a matter of law, ParkerVision raised the two baseband signals theory before the district court, as we noted in the panel opinion. See slip op. at 9-10. On appeal, ParkerVision disclaimed that theory and replaced it with the one and the same point argument, which we rejected in the panel

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 3 Filed: Page 10/02/2015 3 of 7 PageID 8358 PARKERVISION, INC. v. QUALCOMM INCORPORATED 3 Further, ParkerVision claims that the accused products would be inoperable under our understanding of the technology, because a sampling mixer cannot downconvert without involving storage capacitors. Neither argument is persuasive. No evidence supports ParkerVision s newly minted theory that the signal coming out of the double-balanced mixer is not the baseband, but instead is a baseband being modulated or carried on the carrier signal. As noted in the panel opinion, Dr. Prucnal repeatedly identified the output of the mixer as the baseband, see, e.g., A10944:1-9 (identifying the output of the crisscrossed circuit structure shown on page A6992 to be the baseband ); A11052:12-13 (identifying the baseband output of the mixer which is shown on A6992); A10988:8-14 (agreeing that the baseband was coming out of the mixer shown on A6992); nowhere did he describe the mixer output as a baseband being modulated or carried on a carrier signal. Contrary to ParkerVision s assertion, Dr. Prucnal admitted that the carrier signal (i.e., the RF signal) has been eliminated at the mixer output. See A10949:2-11. ParkerVision seizes upon an exchange during trial in which Qualcomm s attorney asked Dr. Prucnal to confirm that the output of the mixer includes the baseband signal. See Pet. at 6 (citing A10943:7-12). At most, that testimony suggests that something other than the baseband exists at the output of the mixer; it does not prove that the carrier signal is part of the output of the mixer, opinion. See slip op. at 10-12. ParkerVision now concedes that it no longer relies on the one and the same point argument. See Pet. at 7-8 n.5.

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 4 Filed: Page 10/02/2015 4 of 7 PageID 8359 4 PARKERVISION, INC. v. QUALCOMM INCORPORATED as ParkerVision asserts. 2 As stated above, Dr. Prucnal admitted that the carrier signal has been eliminated at that point. Thus, no evidence supports ParkerVision s modulated baseband theory. We accordingly reject its contention that we misinterpreted Dr. Prucnal s testimony in that regard. We also disagree with ParkerVision s second argument that our understanding of the invention would lead to an inoperable device. The gist of the argument is that any downconverting mixer that samples a limitation found to be met by the accused 25% duty-cycle products must necessarily work with capacitors to generate a baseband signal; in other words, a finding that the sampling limitation is met in a mixer means that capacitors must be involved in generating the baseband signal there. The purported relationship between the sampling limitation and the generating limitation is raised for the first time in the petition. The district court construed sampling to mean reducing a continuous-time signal to a discrete-time signal, and generating to have its plain and ordinary meaning. Neither of those constructions is disputed on appeal. To the extent ParkerVision now suggests that sampling means not only reducing a continuous-time signal to a discrete time signal, but also that the sampled energy must be processed by a capacitor, this is a new claim construction argument raised for the first time after trial and thus is waived. See Broadcom Corp. v. Qualcomm Inc., 543 F.3d 683, 694 (Fed. Cir. 2008). In any event, the record does not support ParkerVision s assertion that any mixer that samples must neces- 2 In the panel opinion, we noted that unwanted transmit jamming signals exist at the mixer output, in addition to the baseband. See slip op. at 8.

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 5 Filed: Page 10/02/2015 5 of 7 PageID 8360 PARKERVISION, INC. v. QUALCOMM INCORPORATED 5 sarily work with capacitors to generate a baseband signal. ParkerVision cites extensively to the patents at issue to support that proposition. Those citations, however, only establish that capacitors must be involved to generate a baseband signal in ParkerVision s own inventions; they provide no support for the broad assertion that sampling always entails generating the baseband through a capacitor. ParkerVision next faults the court for not resolving the parties dispute regarding the location of the storage capacitors. See slip op. at 7 n.4. According to ParkerVision, should we agree that some capacitors are found inside the accused products mixers, we would have to conclude that those capacitors are involved in generating the baseband signal. As we explained before, however, even assuming some capacitors are located inside the mixer, Dr. Prucnal admitted that the baseband signal precedes those capacitors as well. See A10944:1-9 (admitting the baseband signal exists before it reaches the capacitors shown on A6991); Appellant s Reply Br. at 8-9 (referring to capacitors shown on A6991 as capacitors inside the mixer ); Pet. at 11 (same). Thus, resolving the dispute regarding the location of the capacitors in ParkerVision s favor would not affect Dr. Prucnal s opinion that the baseband exists before it reaches the capacitors and would not prove that the capacitors inside the mixer, if any, are involved in generating the baseband signal. Finally, ParkerVision contends that we improperly substituted our own credibility determination for the jury s when we concluded that the jury s verdict cannot be sustained based on Dr. Prucnal s testimony. Dr. Prucnal gave two contradictory opinions regarding the role of the storage capacitors in generating the baseband signal, stating on one hand that the mixer-capacitor combination generates the baseband, and on the other hand that the mixer itself creates the baseband. ParkerVision argues that the jury is free to pick and choose from these two

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 6 Filed: Page 10/02/2015 6 of 7 PageID 8361 6 PARKERVISION, INC. v. QUALCOMM INCORPORATED contradictory theories and that the jury s decision in that regard is beyond the scope of our review. We disagree. It is true that when there is an evidentiary basis for the jury verdict, the jury is free to discard or disbelieve whatever facts are inconsistent with its conclusion. Lavender v. Kurn, 327 U.S. 645, 652 (1946). In fact, the finder of fact is normally free to believe a witness, even if that witness s testimony is impeached and even if the witness s direct and cross-examination are not entirely consistent. Presidio Components, Inc. v. Am. Tech. Ceramics Corp., 702 F.3d 1351, 1359 (Fed. Cir. 2012). The verdict, however, must be supported by substantial evidence, which means such relevant evidence as a reasonable mind might accept as adequate to support a conclusion. See Richardson v. Perales, 402 U.S. 389, 401 (1971). When the party with the burden of proof rests its case on a witness s unexplained self-contradictory testimony, the court, in appropriate cases, may conclude that the evidence is insufficient to satisfy that standard. See Johns Hopkins Univ. v. Datascope Corp., 543 F.3d 1342, 1348-49 (Fed. Cir. 2008) (despite expert s opinion that the S-wire in the ProLumen device contacts the lumen in three dimensions, no reasonable jury could have found that the ProLumen device literally met this limitation based on [the expert s] opinion, given his contradictory testimony that the device only contacts the vessel in two places ); Doucet v. Diamond M Drilling Co., 683 F.2d 886, 892 (5th Cir. 1982) ( the self contradictory testimony of a single witness did not satisfy the burden of establishing actionable negligence when that statement is balanced against all the other uncontradicted evidence in this record ); cf. Cleveland v. Policy Mgmt. Sys. Corp., 526 U.S. 795, 806 (1999) ( a party cannot create a genuine issue of fact sufficient to survive summary judgment simply by contradicting his or her own previous sworn statement... without explaining the contradiction or at least attempt-

Case 6:14-cv-00687-PGB-KRS Case: 14-1612 Document: 220-1 106 Page: Filed 10/02/15 7 Filed: Page 10/02/2015 7 of 7 PageID 8362 PARKERVISION, INC. v. QUALCOMM INCORPORATED 7 ing to resolve the disparity ). As the district court held, this is such a case. ParkerVision bore the burden to prove that the storage capacitors in Qualcomm s devices are involved in generating the baseband signal. Its expert first stated that the capacitors are involved in the generating process, but then admitted on cross-examination that the baseband signal already exists before the current reaches the capacitors. ParkerVision made no attempt to reconcile the two conflicting strands of its expert s testimony. Nor did it introduce any other evidence that might have supported the expert s initial statement that the capacitors are involved in generating the baseband signal. Moreover, as the district court noted in its order granting judgment as a matter of law, the expert s direct and redirect testimony was notably vague when it came to the generating limitation ; in contrast, his testimony on cross-examination was unequivocal that the double balanced mixers create the baseband before the lower frequency signal reaches the capacitors. Based on the totality of the evidence at trial, we agree with the district court that no reasonable finder of fact could come to a confident conclusion that the capacitors have a role in generating the baseband. The district court was therefore correct in concluding that the jury verdict was not supported by substantial evidence. The petition for rehearing is denied.