Meta Platforms, Inc. et al. vs Eight kHz, LLC

Patent Owner's Notice of Cross-Appeal

Petitioner Meta Platforms, Inc.'s Notice of Appeal to the United States Court of Appeals for the Federal Circuit

JUDGMENT Final Written Decision Determining Some Challenged Claims Unpatentable Denying Petitioner’s Motion to Strike Dismissing Petitioner’s Motion to Exclude Dismissing-in-Part and Denying-in-Part Patent Owner’s Motion to Exclude 35 U.S.C. § 318(a)

Patent Owner's Fifth Updated Mandatory Notices

Other: Hearing transcript

Petitioner’s Supplemental Brief (Pursuant to Paper No. 56)

Patent Owner's Supplemental Brief (Pursuant to Paper No. 56)

Order: Authorizing Additional Briefing

Petitioner’s Objections to Patent Owner’s Demonstrative Exhibits for Oral Argument

Patent Owner's Objections to Petitioner's Demonstratives

Petitioner's Updated Exhibit List

Petitioner's Demonstratives

Patent Owner's Demonstratives

LEAP Practitioner Request and Verification Form (Patent Owner)

LEAP Practitioner Request and Verification Form (Petitioner)

Petitioner's Updated Power Attorney

Petitioner's Updated Mandatory Notices

Patent Owner's Opposition to Petitioner's Motion to Strike

Patent Owner's Reply to Opposition to Motion to Exclude Evidence

Petitioner's Reply to Opposition to Motion to Exclude Evidence

Petitioner's Motion to Strike

Patent Owner's Opposition to Petitioner's Motion to Exclude

Petitioner’s Opposition to Patent Owner’s Motion to Exclude Evidence

Patent Owner's Motion to Exclude Evidence

Petitioner's Motion to Exclude Evidence

EXPUNGED

EXPUNGED

ORDER Setting Oral Argument 37 C.F.R. § 42.70

Petitioner’s Objections to Patent Owner’s Evidence

Patent Owner's Sur-Reply to Petitioners' Reply

Exhibit 2029

Exhibit 2030

Exhibit 2031

Patent Owner's Fourth Updated Power of Attorney

Patent Owner's Fourth Updated Mandatory Notices

Corrected Petitioner's Request for Oral Argument

Patent Owner's Request for Oral Argument

EXPUNGED

Patent Owner's Third Updated Power of Attorney

Patent Owner's Third Updated Mandatory Notices

Patent Owner's Notice of Deposition of Dr. Chris Kyriakakis

ORDER Authorizing Withdrawal of Counsel 37 C.F.R. § 42.10

Parties' Joint Stipulation to Change Portions of Due Date 3 of the Scheduling Order

Patent Owner's Unopposed Motion to Withdraw as Counsel

Patent Owner's Objections to Petitioner's Evidence

Petitioner's Reply to Patent Owner's Response

D. Begault, et al., Headphone Localization of Speech Stimuli, Proceedings of the Human Factors Society 35th Annual Meeting, 82-86 (1991)

Durand R. Begault, et al., Headphone Localization of Speech, Human Factors, 35(2), 361-776 (1993)

Improved HRTF-Based Pseudostereophony, Monaural are filtered digitally to obtain pseudosterophonic output signals (April 2000)

Areti Andreopoulou, et al., Inter-Laboratory Round Robin HRTF Measure Comparison, 9(5) 895-906 (2015)

Deposition Transcript of Durand Begault, Ph.D. (July 3, 2024)

U.S Patent No. 4,136,260 to Asahi (“Asahi”)

B.B. Bauer, Stereophonic Earphones and Binaural Loudspeakers, Journal of the Audio Engineering Society, 2 (9) 148-151 (April 1961)

Fabio Kaiser, Transaural Audio – The reproduction of binaural signals over loudspeakers, 1-34 (March 2011)

Declaration of Chris Kyriakakis in Support of Petitioner’s Reply (“Kyriakakis Reply”)

Petitioner's Notice of Deposition of Durand R. Begault, Ph.D.

Petitioner’s Objections to Patent Owner’s Evidence

Patent Owner's Response

Exhibit 2011

Exhibit 2012

Exhibit 2013

Exhibit 2014

Exhibit 2015

Exhibit 2016

Exhibit 2017

Exhibit 2018

Exhibit 2019

Exhibit 2020

Exhibit 2021

Exhibit 2022

Exhibit 2023

Exhibit 2024

Exhibit 2025

Exhibit 2026

Exhibit 2027

Exhibit 2028

Updated Power of Attorney for Petitioner

Petitioner’s Updated Mandatory Notices

Parties' Joint Stipulation to Change Due Dates 1, 2, 3, 5 and 6 of the Scheduling Order

Patent Owner's Second Updated Power of Attorney

Patent Owner's Second Updated Mandatory Notice

Patent Owner's Notice of Deposition of Dr. Chris Kyriakakis

Patent Owner's UPDATED Power of Attorney

Patent Owner's UPDATED Mandatory Notice

Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314

Order: SCHEDULING ORDER

Patent Owner's Sur-Reply in Support of Preliminary Response

Exhibit 2009

Exhibit 2010

Petitioner's Reply to the Patent Owner's Preliminary Response

Board authorization email dated October 25, 2023

Defendants' Stipulation Regarding Invalidity Challenges, Eight kHz, LLC v. Meta Platforms, Inc., No. 6:22-cv-00575 (W.D. Tex. Oct. 17, 2023)

Patent Owner Preliminary Response

Exhibit 2001

Exhibit 2002

Exhibit 2003

Exhibit 2004

Exhibit 2005

Exhibit 2006

Exhibit 2007

Exhibit 2008

Notice: Notice filing date accorded

Notice : Patent Owner's Power of Attorney

Notice : Patent Owner's Mandatory Notice

U.S. Patent No. 9,226,090

Prosecution History of U.S. Patent No. 9,226,090

Curriculum Vitae of Dr. Kyriakakis

U.S. Patent No. 8,406,439 to Bedingfield et al.

U.S. Patent No. 9,131,305 to Li et al.

U.S. Patent No. 8,818,000 to Andrea

U.S. Patent Pub. No. 2003/0059070 to Ballas

U.S. Patent App. Pub. 2014/0064526 to Otto, et al.

Rumsey, Francis “Whose head is it anyway? Optimizing binaural audio.”

U.S. Patent App. Pub. 2008/0273708 to Sandgren, et al.

Scheinerman, M. “Exploring Augmented Reality.” Haverford College Compute

Comeau, Charles et al. “Headsight TV System.” Electronics, 1961, pp. 86-90

Sutherland, Ivan “The Ultimate Display.” Proceedings of IFIP Congress

Sutherland, Ivan “A head-mounted three dimensional display.”

Moller, Henrik, et al. “Head-Related Transfer Functions of Human Subjects.”

Akeroyd, Michael. “The psychoacoustics of binaural hearing.” International

Middlebrooks, John, et al. “Sound Localization by Human Listeners.”

Eight KHZ, LLC v. Meta Platforms, Plaintiff Claim Construction Reply Brief

Cheng, C., Moving Sound Source Synthesis for Binaural Electroacoustic

May 22, 2023 Deposition Transcript of Durand Begault, Ph.D

U.S. Patent No. 257,453 to Ader

Olson, Harry., Sound Reproducing Systems - Monaural, Binaural, Monophonic

Kyriakakis, Chris, Fundamental and Technological Limitations of Immersive

Begault, Durand. “3-D Sound for Virtual Reality and Multimedia.”

Vertesi, Seamful Space: Heterogeneous Infrastructures in Interaction

Torrejon, Alfonso, et al., Improving Communication and Presence in Online

U.S. Patent No. 2,955,156 to Heilig

U.S. Patent No. 7,606,375 to Bailey et al

Declaration of Dr. Kyriakakis

Petition for Inter Partes Review of U.S. Patent No. 9,226,090

Petitioner's Power of Attorney