Geomatrix Systems, LLC v. Eljen Corporation

District Court, D. Connecticut·Decided October 12, 2022·No. 3:20-cv-01900·Unknown

Opinion

UNITED STATES DISTRICT COURT DISTRICT OF CONNECTICUT

GEOMATRIX SYSTEMS, LLC Plaintiff, Civil No. 3:20cv1900 (JBA) v.

ELJEN CORPORATION, October 12, 2022 Defendant.

CLAIM CONSTRUCTION OF DISPUTED TERMS IN U.S. PATENT NO. 9,174,863, NO. 9,650,271, NO. 10,065875, AND NO. 10,392,278

Plaintiff Geomatrix Systems, LLC brought this action against Defendant Eljen Corporation alleging patent infringement arising under the Patent Laws of the United States, 35 U.S.C. §§ 1, et seq. Plaintiff seeks a determination that Defendant has infringed U.S. Patent Nos. 9,174,863; 9,650,271; 10,065,875; and 10,392,278 and has therefore competed unfairly in the marketplace in connection with the manufacture and sales of wastewater treatment systems, adversely impacting Plaintiff. On October 25, 2021, the parties submitted their joint claim construction and prehearing statement [Doc. # 80]. On March 14, 2022, the Court held a hearing during which the parties presented argument on the construction of the disputed claims in the various patents. Background Plaintiff’s four patents at issue were invented by David Potts and share a nearly identical specification.1 According to Plaintiff, the asserted patents improve prior

1 Plaintiff and Defendant agree that all four patents come from the same patent family and share a similar specification. In fact, Defendant notes that the patents are “fundamentally dependent upon Mr. Potts’s original disclosure” and thus, the differences in the specifications are not relevant to the claim construction dispute. (Def.’s Opening Markmen Br. [Doc. # 71] at 1 n.1.) wastewater systems, “particularly for treatment and dispersal of water.” (Pl.’s Opening Claim Construction Br. [Doc. # 70] at 4.) They describe “high aspect ratio conduits” that “offer greater oxygen transfer potential than prior art systems.” (Id.) The system includes “dosing pipes” which are perforated to deliver wastewater to a series of channels (also referred to as “geonets”) once the system is connected to a source of wastewater. (Id.; Patent ’863, Pl.’s Ex. A [Doc. # 70-2] at 10:8-9.) The number of dosing pipes may vary and the channels “can be made of crushed stone, or plastic pieces, or other granular or permeable media in substitution for the ‘geonet’.” (Pl.’s Ex. A [Doc. # 70-2] at 10:23-25.) The channels, or geonets, are a generally rectangular volume formed into a “U” shape. (Id. at 10:36-39.) The channels are parallel, with at least two of the channels interconnected to each other at an end. (Id. claims 9, 19, 22.) The parties dispute the proper construction of forty-two terms found throughout eighteen claims spanning the four patents at issue. To simplify the process, the Court has organized seven groups of like-terms as suggested by Plaintiff. (See Pl.’s Ex. L [Doc. # 70-13].) The disputed claims are as follows: Group A ‘863 Patent, Claim 1 “the separations having a spacing of one foot or more along their length without an intervening intersecting infiltrative surface that connects the adjacent channels within the spacing” ‘863 Patent, Claim 22 “are separated along a majority of their lengths by two or more inches and each have a spacing of one foot or more along their length without an intersecting infiltrative surface that connects the adjacent channels within the spacing” ‘863 Patent, Claim 21 “the separations have a spacing of one foot or more along their length without an intervening perpendicular infiltrative surface that connects the adjacent channels within the spacing” ‘863 Patent, Claim 28 “spacings along their length of one foot or greater in which the surfaces are not interconnected by a third infiltrative surface traversing these spacings.” ‘271 Patent, Claims 1 and 10 “sections of one foot or more along their length without an upright interconnecting infiltrative surface interconnecting them to a neighboring infiltrative channel” ‘875 Patent, Claim 1 “sections of one foot or more along its length without an upright interconnecting infiltrative surface interconnecting any of the three infiltrative channels to a neighboring infiltrative channel”

Group B ‘863 Patent, Claims 1 and 22 “at least two channels being interconnected to each other below their uppermost surface” ‘863 Patent, Claim 26 “the first channel and the second channel being interconnected to each other at least below their uppermost surface.” ‘863 Patent, Claim 12 “channels are interconnected at least at a bottom elevation” ‘863 Patent, Claim 19 “the channels of the plurality are interconnected” ‘863 Patent, Claim 24 “the majority of the channels of the plurality are interconnected”

Group C ‘863 Patent, Claim 1 “a first wastewater delivery conduit” ‘863 Patent, Claims 22 and 26 “a wastewater distribution conduit” ‘271 Patent, Claims 1 and 10 “a wastewater channel positioned to dispense wastewater to each of the three infiltrative channels” ‘875 Patent, Claim 1 “a wastewater dosing pipe positioned to dispense wastewater directly into each of the three infiltrative channels” ‘278 Patent, Claim 1 “a distribution conduit positioned and configured to dispense effluent to each of three or more high aspect ratio channels in the set of high aspect ratio channels” ‘278 Patent, Claim 22 “a distribution conduit positioned and configured to dispense wastewater effluent to each of the high aspect ratio channels in the set of high aspect ratio channels” ‘278 Patent, Claim 33 “a distribution conduit positioned and configured to dispense wastewater effluent to each of the high aspect ratio channels in the first set of high aspect ratio channels”

Group D ‘863 Patent, Claim 1 “the area of the conduit having the wastewater egress openings” ‘863 Patent, Claim 22 “an area of the conduit having wastewater supply egress openings, traverses a majority of the channels of the plurality at an oblique or perpendicular angle” ‘863 Patent, Claim 22 “an area of the conduit having wastewater supply egress openings . . . traverses separations between adjacent channels of the plurality at an oblique or perpendicular angle” ‘863 Patent, Claim 26 “the area of the conduit having wastewater egress openings traverses the opposing infiltrative surfaces at an oblique or perpendicular angle” ‘863 Patent, Claim 26 “the area of the conduit having wastewater egress openings...traverses the separation between the opposing infiltrative surfaces at an oblique or perpendicular angle” ‘863 Patent, Claim 1 “traverses a majority of the paired infiltrative surfaces at an oblique or perpendicular angle” Group E ‘271 Patent, Claim 1 “spacing connectors” ‘271 Patent, Claim 10 “spacing connector” ‘875 Patent, Claim 1 “separation spacer” ‘271 Patent, Claims 1 and 10 “connected to the first infiltrative channel and connected to the second infiltrative channel” ‘278 Patent, Claims 1, 22, and 33 “separation spacer” ‘278 Patent, Claim 22 “separation spacer having a length and a first anchor” ‘278 Patent, Claim 22 “the first anchor” ‘278 Patent, Claim 33 “the first anchor . . . securing the separation spacer relative to a high aspect ratio channel” ’278 Patent, Claim 22 “the first anchor . . . securing the separation spacer relative to a high aspect ratio channel” ‘278 Patent, Claim 33 “the first anchor securing the first separation spacer to a first high aspect ratio channel” ‘278 Patent, Claim 33 “the first anchor engages the infiltrative side of the first high aspect ratio channel”

Group F ‘271 Patent, Claims 1 and 10 “configured to provide a spacing between the first infiltrative channel and the second infiltrative channel” ‘875 Patent, Claim 1 “configured to provide a spacing between the first infiltrative channel and the second infiltrative channel”

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Geomatrix Systems, LLC v. Eljen Corporation, (D. Conn. 2022).

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