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`IPR2018-00522
`
`UNITED STATES PATENT AND TRADEMARK
`OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL
`BOARD
`
`SEOUL SEMICONDUCTOR CO., LTD.,
`and SEOUL SEMICONDUCTOR, INC.,
`Petitioner s
`
`v.
`
`DOCUMENT SECURITY SYSTEMS, INC.,
`Patent Owner
`
`Case IPR2018-00522
`Patent 7,524,087
`
`PETITIONERS’ UPDATED MANDATORY NOTICES
`PURSUANT TO 37 C.F.R. §42.8(a)(2)
`
`Pursuant to 37 C.F.R. § 42.8(a)(2), Petitioners, Seoul Semiconductor, Ltd.
`
`and Seoul Semiconductor, Inc. hereby files Updated Mandatory Notices.
`
`III. 37 C.F.R. § 42.8(b)(3) – LEAD AND BACKUP COUNSEL
`
`Lead Counsel
`
`Back-Up Counsel
`
`Michael B. Eisenberg (Reg. No.
`50,643)
`
`Daniel S. Stringfield (Reg. No. 68,677)
`Steptoe & Johnson LLP
`
`

`

`
`
`IPR2018-00522
`
`Steptoe & Johnson LLP
`1114 Avenue of the Americas, 35th Fl.
`New York, NY 10036
`Phone: (212) 506-3931
`Fax: (212) 506-3950
`meisenberg@steptoe.com
`
`227 West Monroe Street, Suite 4700
`Chicago, IL 60606
`Phone: (312) 577-1267
`Fax: (312) 577-1370
`dstringfield@steptoe.com
`
`Pursuant to 37 C.F.R. § 42.10(b), and updated Power of Attorney is being
`
`
`
`
`
`
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`filed concurrently with these mandatory notices.
`
`IV. 37 C.F.R. § 42.8(b)(4) – SERVICE INFORMATION
`
`
`
`Please address all correspondence to the lead and backup counsel as shown
`
`above.
`
`V. CONCLUSION
`
`
`
`Petitioner believes that this submission fulfills the requirements of 37 C.F.R.
`
`§ 42.8(a)(2). Please contact the undersigned counsel if any additional information
`
`as required.
`
`
`
`Dated: July 9, 2021
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`Respectfully submitted,
`
`
`
`
`
`By: /s/ Michael B. Eisenberg/
`Michael B. Eisenberg, Reg. No. 50,643
`Steptoe & Johnson LLP
`1114 Avenue of the Americas, 35th Fl.
`New York, NY 10036
`MEisenberg@steptoe.com
`Tel: (212) 506-3931
` Fax: (212) 506-3950
`
`

`

`CERTIFICATE OF SERVICE (37 C.F.R. § 42.6(e)(1))
`
`The undersigned hereby certifies that the above document was served on
`
`July 9, 2021, by filing this document through the Patent Trial and Appeal Board
`
`End to End system as well as delivering a copy via electronic mail upon the following
`
`attorneys of record for the Patent Owner:
`
`Attorneys for Patent Owner
`Wayne M. Helge whelge@dbjg.com
`James T. Wilson jwilson@dbjg.com
`Aldo Noto anoto@dbjg.com
`
`Dated: July 9, 2021
`
`
`
`
`
`
`
`By: /s/ Michael B. Eisenberg/
`Michael B. Eisenberg, Reg. No. 50,643
`Steptoe & Johnson LLP
`1114 Avenue of the Americas, 35th Fl.
`New York, NY 10036
`MEisenberg@steptoe.com
`Tel: (212) 506-3931
`Fax: (212) 506-3950
`
`
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`

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