IN THE UNITED STATES DISTRICT COURT
`FOR THE DISTRICT OF MARYLAND
`Northern Division
`
`G. W. ARU, LLC, et al.,
`
`
`Plaintiffs,
`
`
`
`v.
`
`W. R. GRACE & CO.-CONN.,
`
`
`Defendant.
`
`
`
`
`
`
`
`
`Civil Action No. JKB-22-2636
`
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`
`PLAINTIFFS G.W. ARU, LLC, AND COCHISE TECHNOLOGY, LLC’S
`L.R. 805.1.b. PROPOSED CLAIM CONSTRUCTION STATEMENT
`
`
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`
`
`
`
`
`
`
`
`1
`
`WRG-1016
`
`
`FOR THE DISTRICT OF MARYLAND
`Northern Division
`
`G. W. ARU, LLC, et al.,
`
`
`Plaintiffs,
`
`
`
`v.
`
`W. R. GRACE & CO.-CONN.,
`
`
`Defendant.
`
`
`
`
`
`
`
`
`Civil Action No. JKB-22-2636
`
`
`
`
`)
`)
`)
`)
`)
`)
`)
`)
`)
`)
`)
`
`
`PLAINTIFFS G.W. ARU, LLC, AND COCHISE TECHNOLOGY, LLC’S
`L.R. 805.1.b. PROPOSED CLAIM CONSTRUCTION STATEMENT
`
`
`
`
`
`
`
`
`
`
`
`1
`
`WRG-1016
`
`
`
`Pursuant to L.R. 805.1.b. and the Court’s Scheduling and Discovery Order (ECF 24),
`
`Plaintiffs G.W. Aru, LLC (“GWA”) and Cochise Technology, LLC (“Cochise”) (collectively,
`
`“Plaintiffs”) hereby serve their Proposed Claim Construction Statement.
`
`Plaintiffs’ positions set forth herein are based upon presently known and available
`
`information. Plaintiffs may modify their positions herein based on further consideration and/or
`
`later obtained information, including, but not limited to, evidence and positions advanced by
`
`Defendant W. R. Grace & Co.-Conn. (“Defendant”).
`
`I.
`
`L.R. 805.1.b.i.: Identification of any special or uncommon meanings of words or
`phrases in the claim
`
`Pursuant to L.R. 804.1.a.i., Plaintiffs have identified the following claims of U.S. Patent
`
`No. 11,224,864 (“the ’864 Patent”) that Plaintiffs contend are directly infringed by Defendant
`
`under 35 U.S.C. § 271(a): claims 1, 3, 6, 12, and 15 (“Asserted Claims”). In accordance with L.R.
`
`805.1.b.i., below is a table setting forth the meanings of words or phrases in the Asserted Claims.
`
`1
`
`1
`
`Claim Claim Term
`1
`CO to CO2 combustion
`promoter
`
`microsphere sized
`
`porous
`
`silica
`
`alumina
`
`Group VIII noble
`metal
`
`1
`
`1
`
`1
`
`Proposed Construction
`“Composition that promotes combustion of carbon
`monoxide to carbon dioxide”
`
`“Less than 1 mm across the largest dimension”
`
`“Material with pores”
`
`“Silicon dioxide”
`
`“Aluminum oxide”
`
`“A noble metal of Group VIII of the periodic table,
`including platinum, palladium, iridium, ruthenium and/or
`rhodium”
`
`“The particle has an outer region with a relatively higher
`concentration of the one or more Group VIII noble metals
`than a center region of the particle.”
`
`
`1
`
`eggshell
`
`
`
`2
`
`
`
`Claim Claim Term
`1
`concentration
`
`outer region
`
`1
`
`1
`
`6
`
`6
`
`centre
`
`average (D50) size
`
`laser diffraction
`
`Proposed Construction
`“Mass per mass”
`
`“A portion of a particle including the outer surface of the
`particle and extending toward the interior of the particle”
`
`“A portion of a particle interior to the outer region”
`
`“Average diameter of the particles in a combustion
`promoter”
`
`“A technique for measuring particle size and particle size
`distribution by determining the intensity of scattered light
`when a laser beam is passed through a particle sample”
`
`
`
`
`II.
`
`L.R. 805.1.b.ii-iii: All references from the specification that support, describe, or
`explain each element of the claim; all material in the prosecution history that
`describes or explains each element of the claim
`
`Pursuant to L.R. 805.1.b.ii-iii, the table below identifies references from the specification
`
`that support, describe, or explain each element of the Asserted Claims and material in the
`
`prosecution history that describes or explains each element of the Asserted Claims.
`
`Claim elements
`
`1.A CO to CO2 combustion
`promoter comprising
`microsphere sized porous
`particles,
`
`each microsphere sized porous
`particle having a diameter of
`less than 1 mm, and
`
`
`References from the
`specification that support,
`describe, or explain each
`element of the Asserted
`Claims
`1:20-23; 1:53-58; 2:25-39
`
`
`Material in the prosecution
`history that describes or
`explains each element of the
`Asserted Claims
`
`
`
`2:39-41
`
`
`Response filed July 7, 2021,
`pages 6, 8, and Exhibit 1;
`Declaration of Dr. Herring
`submitted July 7, 2021, page
`2; Final Office Action mailed
`August 13, 2021, page 3
`
`
`
`
`3
`
`
`
`References from the
`specification that support,
`describe, or explain each
`element of the Asserted
`Claims
`4:32-5:6
`
`
`Material in the prosecution
`history that describes or
`explains each element of the
`Asserted Claims
`
`
`
`1:62-67; 2:26-50; 3:43-44,
`4:25-31; 5:7-8; 5:19-24; 5:30-
`45; 11:20-27; 15:27-30
`
`
`Notice of Allowance mailed
`November 17, 2021: Reasons
`for Allowance; Examiner
`Interview Summary Record
`mailed November 17, 2021;
`Final Office Action mailed
`August 13, 2021, page 2;
`Response filed July 7, 2021,
`page 8, Exhibits 3-5;
`Declaration of Dr. Herring
`submitted July 7, 2021, page 2
`
`2:26; 4:39-47; 4:57-5:6;
`11:35-40; 12:16-19; 12:58-61
`
`4:21-24; 4:64-5:4
`
`5:7-8
`
`
`
`
`
`
`
`Claim elements
`
`independently comprising:
`silica, alumina, or mixtures
`thereof; and
`
`one or more Group VIII noble
`metals distributed in the
`particle as an eggshell such
`that a higher concentration of
`the one or more Group VIII
`noble metals is present in the
`outer region of the
`microsphere sized porous
`particle as compared to the
`concentration of the one or
`more Group VIII noble metals
`in the centre of the
`microsphere sized porous
`particle.
`
`3.The combustion promoter
`according to claim 1,
`comprising a plurality of
`microsphere sized porous
`particles comprising alumina.
`
`6.The combustion promoter
`according to claim 1, wherein
`the microsphere sized porous
`particles collectively have an
`average (D50) size of between
`60 and 90 microns as
`measured by laser diffraction.
`
`12.The combustion promoter
`according to claim 1, wherein
`the one or more Group VIII
`noble metals comprises one or
`more of platinum, palladium,
`iridium, ruthenium, and
`rhodium.
`
`
`
`
`4
`
`
`
`References from the
`specification that support,
`describe, or explain each
`element of the Asserted
`Claims
`5:7-8; 5:9-11; 11:38-41;
`12:66-13:3
`
`Material in the prosecution
`history that describes or
`explains each element of the
`Asserted Claims
`
`
`
`Claim elements
`
`15. The combustion promoter
`according to claim 12,
`wherein the one or more
`Group VIII noble metals
`comprises palladium.
`
`
`
`
`III. L.R. 805.1.b.iv.: Any extrinsic evidence that supports the proposed construction
`of the claim, including, but not limited to, expert testimony, inventor testimony,
`dictionary definitions, and citations to learned treatises, as permitted by law
`
`Pursuant to L.R. 805.1.b.iv., the table below identifies extrinsic evidence that supports
`
`Plaintiffs’ proposed constructions set forth above.
`
`Claim Term
`silica
`
`alumina
`
`Group VIII noble
`metal
`
`laser diffraction
`
`
`
`
`Date: June 13, 2023
`
`
`Extrinsic Evidence Supporting Proposed Construction
`Silica, Oxford Dictionary of Science. (7th Edition, 2017)
`
`Alumina, Oxford Dictionary of Science. (7th Edition, 2017)
`
`Fluck et al. New Notations in the Periodic Table. Pure & Appl
`Chem. 1988 60(3):431-6.
`
`Malvern Mastersizer Brochure
`
`
`
`
`
` /s/ Shawn G. Hansen
`Jennifer K. Squillario (Fed. Bar No. 26834)
`NIXON PEABODY LLP
`799 9th Street NW, Suite 500
`Washington, D.C. 20001-5327
`Tel: (202) 585-8000
`Fax: (202) 585-8080
`jsquillario@nixonpeabody.com
`
`Shawn G. Hansen (admitted pro hac vice)
`Joshua J. Pollack (admitted pro hac vice)
`Erin T. Huntington (admitted pro hac vice)
`NIXON PEABODY LLP
`
`
`
`5
`
`
`
`300 South Grand Avenue, Suite 4100
`Los Angeles, CA 90071-3151
`Tel: (213) 629-6000
`Fax: (213) 629-6001
`shansen@nixonpeabody.com
`jpollack@nixonpeabody.com
`ehuntington@nixonpeabody.com
`
`Angelo Christopher (admitted pro hac vice)
`NIXON PEABODY LLP
`70 West Madison, Suite 5200
`Chicago, IL 60602
`Tel: (312) 977-4400
`Fax: (844) 709-6738
`achristopher@nixonpeabody.com
`
`Attorneys for Plaintiffs
`
`
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`6
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`CERTIFICATE OF SERVICE
`
`The undersigned hereby certifies that a true and correct copy of the above and foregoing
`
`document has been served on June 13, 2023, on all counsel of record via electronic mail.
`
`
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`
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`Dated: June 13, 2023
`
`
`
`
`
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`4889-9734-3081.2
`
`
`By: /s/ Shawn G. Hansen
`Shawn G. Hansen
`
`
`
`
`
`7
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`
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