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`December 12, 2022
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`VIA E-MAIL
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`J. Stephen Ravel
`Kelly Hart & Hallman LLP
`303 Colorado St., Suite 2000
`Austin, TX 78701
`Phone: (512) 495-6400
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`
`Re:
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`Spacetime3D, Inc. v. Apple Inc., Case No. 6:22-cv-00149 (W.D. Tex.)
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`Dear Counsel:
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`Apple Inc. (“Apple”) has filed an inter partes review (IPR) petition (IPR2023-00344) with the
`Patent Trial and Appeal Board (PTAB) to address the validity of claims 1-20 of U.S. Patent No.
`9,696,868. The tables in attached Appendix A list all the grounds, challenged claims, and
`references asserted in IPR2023-00344.
`
` I
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` write to inform you that Apple hereby stipulates that if the PTAB institutes IPR2023-00344
`based on the grounds and claims listed in the tables in Appendix A, Apple will not pursue in the
`District Court the specific grounds raised in IPR2023-00344 against claims 1-20 of U.S. Patent
`No. 9,696,868. See Sand Revolution II, LLC v. Continental Intermodal Group – Trucking LLC,
`IPR2019-01393, Paper No. 24 (PTAB June 16, 2020).
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`In so stipulating, Apple seeks to avoid multiple proceedings addressing the validity of the
`challenged claims based on the same grounds. Rather, through this stipulation, Apple expresses
`its intention to have only the PTAB address the Instituted Grounds of invalidity of these
`claims. But, for the sake of clarity and to avoid any doubt, if the PTAB declines to institute any
`of the grounds identified herein, Apple reserves the right to assert the denied grounds in the
`litigation. Apple also reserves its rights to continue to assert grounds other than the Instituted
`Grounds.
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`Sincerely,
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`/s/Brian Rosenthal
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`Attorney for Apple Inc.
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`cc: Counsel of record
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`APPLE 1026
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`1
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`December 12, 2022
`Page 2
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`Appendix A – Grounds and Prior Art References Used in IPR2023-00344
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`Ground
`1A
`1B
`1C
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`2A
`2B
`2C
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`Claim(s)
`1-5, 9-14, and 18-20
`6-8, 15-17
`7
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`1-5, 9-14, and 18-20
`6-8, 15-17
`7
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`§103 Combination
`Anthony in view of Hanggie
`Anthony in view of Hanggie and Matthews
`Anthony in view of Hanggie and Matthews
`and Robertson
`Hanggie in view of Anthony
`Hanggie in view of Anthony and Matthews
`Hanggie in view of Anthony and Matthews
`and Robertson
`
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`List of References
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`Reference Name Details
`Anthony
`US Patent Pub. No. 2005/0091596
`Hanggie
`US Patent Pub. No. 2005/0088447
`Matthews
`US Patent Pub. No. 2006/0107229
`Robertson
`US Patent No. 6,414,677
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`2
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