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IN THE UNITED STATES DISTRICT COURT

FOR THE WESTERN DISTRICT OF TEXAS

WACO DIVISION

WSOU INVESTMENTS, LLC d/b/a 

BRAZOS LICENSING AND

DEVELOPMENT,

Plaintiff,

v.

ZTE CORPORATION, 

Defendant.

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CIVIL ACTION NO. 6:20-cv-487-ADA

CIVIL ACTION NO. 6:20-cv-488-ADA

CIVIL ACTION NO. 6:20-cv-489-ADA

CIVIL ACTION NO. 6:20-cv-490-ADA

CIVIL ACTION NO. 6:20-cv-491-ADA

CIVIL ACTION NO. 6:20-cv-492-ADA

CIVIL ACTION NO. 6:20-cv-493-ADA

CIVIL ACTION NO. 6:20-cv-494-ADA

CIVIL ACTION NO. 6:20-cv-495-ADA

CIVIL ACTION NO. 6:20-cv-496-ADA

CIVIL ACTION NO. 6:20-cv-497-ADA

JURY TRIAL DEMANDED

JOINT CLAIM CONSTRUCTION STATEMENT

TO THE HONORABLE COURT:

Pursuant to the Court’s Amended Scheduling Order filed in the above-captioned cases, the 

parties hereby provide the following Joint Claim Construction Statement for the terms, phrases, 

and clauses appearing in the asserted claims of U.S. Patent Nos. 8,451,839, 7,489,929, 9,185,036, 

7,742, 534, 7,487,240, 8,147,071, 9,258,232, 8,179,960, 8,730,905, 9,294,060, and 7,203,505.

I. AGREED CONSTRUCTIONS

The parties have no agreed term constructions.

II. LIST OF DISPUTED TERMS FOR CONSTRUCTION

The Parties provide the following list of disputed terms for construction, in the order they 

are addressed in the Parties’ claim construction briefing.

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 1 of 15
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A. Group 1 Patents (Nos. 6:20-cv-00487, -00488, -00494, -00496)

U.S. Patent No. 7,489,929 (Case No. 6:20-cv-00488-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

11 “buffering bearer traffic”

(claim 11)

(Proposed by Defendant)

Plain and ordinary meaning “During a handoff process, all data from 

the mobile station is buffered at the 

mobile station or all data at the network 

side is buffered at the network side until 

the handoff process is complete.” 

14 “characteristic”

(claims 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite

Indefinite under 35 U.S.C. § 112(b)

14 “replacement hysteresis” 

(claims 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite

Indefinite under 35 U.S.C. § 112(b)

U.S. Patent No. 7,742,534 (Case No. 6:20-cv-00496-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

4, 7 “maximal number of subcarriers” (claim 4) /

“maximum number of subcarriers” (claim 7)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 2 of 15
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6 “means for selecting a set of subcarriers from the plurality of subcarriers on which user data is to 

be communicated from a 

transmitter to a receiver” 

(claim 6)

(Proposed by Defendant)

Governed by pre-AIA 35 U.S.C. 

§ 112, ¶6; not indefinite.

Function: selecting a set of subcarriers from the plurality of subcarriers on which user data is to be 

communicated from a transmitter to 

a receiver. 

Structure: transmitter configured to 

perform corresponding operation(s), 

such as, (i) receive quality levels 

from receiver, (ii) transmit threshold 

indication to receiver, (iii) select the 

set of sub-carriers based at least in 

part on either the received quality 

level or the transmitted threshold 

indication (or both). 

Governed by 35 U.S.C. § 112(f)

Function: selecting a set of subcarriers from the plurality of subcarriers on which user data is to be 

communicated from a transmitter to a 

receiver. 

Structure: none disclosed.

Indefinite under 35 U.S.C § 112(b).

6 “means for determining quality 

levels for sub-carriers”

(claim 6)

(Proposed by Defendant)

Not governed by pre-AIA 35 U.S.C. 

§ 112, ¶6; not indefinite.

But if deemed governed by pre-AIA 

35 U.S.C. § 112, ¶6, then:

Function: determining quality levels 

for sub-carriers 

Structure: receiver configured to 

perform corresponding operation(s), 

such as measure the SIR for sub 

carriers (see, e.g., 5:19-24).

Governed by 35 U.S.C. § 112(f) 

Function: determining quality levels 

for sub-carriers 

Structure: none disclosed.

Indefinite under 35 U.S.C. § 112(b).

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 3 of 15
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1-3, 5-6, 9, 

13, 16-18

“quality levels” (claims 

1, 2, 3, 5-9, 13, 16-18) / “

as a function of”

(claims 1, 6, 16)

(Proposed by Defendant)

Plain and ordinary meaning “One of a signal-to-interference ratio, a 

bit error rate, or a modulation scheme.” 

U.S. Patent No. 8,451,839 (Case No. 6:20-cv-00487-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 3, 6, 8, 11 “route” (claims 1, 6, 11) 

/ “route-related 

information”

(claims 1, 3, 6, 8)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

1, 6 “said predefined using 

time indicates[ing] a [the] 

using time of said route”

(claims 1, 6)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

6 “the using time”

(claim 6)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite for lack of antecedent basis 

under 35 U.S.C. § 112(b).

U.S. Patent No. 9,185,036 (Case No. 6:20-cv-00494-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 6-10, 12, 

17-21, 23-24

“data flow” (claims 1, 6-

10, 12, 17−21, 23−24) / “to 

Plain and ordinary meaning (for 

each one of the five disputed 

Indefinite under 35 U.S.C. § 112(b).

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 4 of 15
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enable thereby the control 

of at least one data flow” 

(claims 1, 12, 23−24) / 

“data flow is controlled” 

(claim 7−9, 18−20) / “a 

data flow” (claims 1, 6, 17, 

23) / “the data flow” (claim 

7−9, 18−20)

(Proposed by Defendant)

phrases); none of the five disputed 

phrases is indefinite.

1-4, 6, 12-15, 

17, 23-24

“congestion condition to 

enable thereby the control 

of at least one data flow in 

a manner tending to reduce 

the congestion condition” 

(claims 1, 12, 23, 24) /

“congestion condition” 

(claims 1−4, 6, 12−15, 17, 

23−24) / “indication that a 

congestion condition 

exists” (claims 1, 23) 

(Proposed by Defendant)

Plain and ordinary meaning (for 

each one of the three disputed 

phrases); none of the three disputed

phrases is indefinite.

Indefinite under 35 U.S.C. § 112(b).

B. Group 2 Patents (Nos. 6:20-cv-00489, -00492, -00495)

U.S. Patent No. 7,487,240 (Case No. 6:20-cv-00489-ADA))

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 6, 13 “verifying connectivity in the 

network relating to at least LayerPlain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 5 of 15
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2 and Layer-3 objects”

(claims 1, 6, and 13)

(Proposed by Defendant)

1, 6, 13 “a given containment hierarchy”

(claims 1, 6, and 13)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

1, 6, 13 “the connectivity verification 

result(s) associated with the alarm

”

(claims 1, 6, and 13)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

U.S. Patent No. 8,147,071 (Case No. 6:20-cv-00492-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 9, 13, 14 “the processor” / “wherein 

the processor is configured to”

(claims 1, 9, 13, and 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

1, 9, 13, 14 “movement signalling” / “

receiv[ing] movement signalling 

associated with the movement of 

the projector” / “corresponding 

movement signalling”

(claims 1, 9, 13, and 14) 

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 6 of 15
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1, 13, 14 “discriminate” / “discriminate 

a movement criterion” / “the 

processor is configured to 

discriminate a movement 

criterion”

(claims 1, 13, 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

1, 13, 14 “provide associated image data 

signalling to project associated 

image data”

(claims 1, 13, 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

9 “a movement sensor configured 

to detect movement of the 

apparatus and/or a projector”

(claim 9)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

U.S. Patent No. 9,258,232 (Case No. 6:20-cv-00495-ADA)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 14 “instructions for execution by a 

traffic flow control system for 

performing flow control on a flow 

of data packets for transmission 

over a link”

(claim 14)

Not indefinite and not subject to 35 

U.S.C. § 112, ¶6; Plain and ordinary 

meaning.

Governed by 35 U.S.C. § 112(f)

Function: execution by a traffic flow 

control system for performing flow 

control on a flow of data packets for 

transmission over a link 

Indefinite under 35 U.S.C. § 112(b);

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 7 of 15
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“flow control”

(claim 1) 

(Proposed by Defendant)

Plain and ordinary meaning

Structure: none disclosed

“regulate movement of a series of data 

packets”

1, 14 “transmission over a link”

(claims 1 & 14)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

14 “instructions for receiving, by a 

controller of the traffic flow 

control system, a backpressure 

signal, wherein the back pressure 

signal indicates a period of

congestion”

(claim 14)

(Proposed by Defendant)

Not indefinite and not subject to 35 

U.S.C. § 112, ¶6; Plain and ordinary 

meaning.

Governed by 35 U.S.C. § 112(f)

Function: receiving, by a controller of 

the traffic flow control system, a 

backpressure signal, wherein the back 

pressure signal indicates a period of 

congestion 

Indefinite under 35 U.S.C. § 112(b);

Structure: none disclosed

C. Group 3 Patents (Nos. 6:20-cv-00490, -00491, -00493, -00497)

U.S. Patent No. 7,203,505 (Case No. 6:20-cv-00497)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 8 of 15
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1, 14, 23 “a formatter to format the 

received data into at least one 

SMS (Short Message Service) 

message” / “formatting” / 

“formatter to format”

(Claims 1, 14, 23)

(Proposed by Defendant)

Not indefinite and not subject to 35 

U.S.C. § 112, ¶6; Plain and ordinary 

meaning.

Governed by 35 U.S.C. § 112(f)

Function: formatting the received data 

into at least one SMS (Short Message 

Service) message 

Indefinite under 35 U.S.C. § 112(b); 

specification fails to describe it

Structure: none disclosed

1, 14, 23 “SMS (Short Message Service)”

(Claims 1, 14, 23

(Proposed by Defendant)

Plain and ordinary meaning “Cellular based messages of limited 

size consisting of text and numbers.” 

U.S. Patent No. 8,179,960 (Case No. 6:20-cv-00490)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1-3, 9-10, 15-

17, 23-24

“virtual reference”

(Claims 1, 2, 3, 9, 10, 15, 16, 17, 

23, and 24)

(Proposed by Defendant)

“A group of pixels (e.g., a block) 

that is used as reference material for 

encoding portions of the video 

signal (e.g., a motion-compensated 

inter-predicted block), but that does 

not comprise or represent any 

portion of the actual video sequence 

to be displayed.”

“A group of pixels used as reference 

material for encoding portions of the 

video signal, but that does not comprise 

or represent any portion of the actual 

video sequence to be displayed.” 

1, 9, 15, 23 “does not represent any portion 

of any individual frame of the 

original video signal”

(Claims 1, 9, 15, 23)

Plain and ordinary meaning “Data generated based on a portion of a 

video signal but not to be displayed 

with the video signal.” 

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 9 of 15
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(Proposed by Defendant)

3, 17 “minimize differences”

(Claims 3 and 17)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

U.S. Patent No. 8,730,905 (Case No. 6:20-cv-00491)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

4, 15 “during a time interval between 

data transmission intervals during 

the transmission period”

(Claims 4, 15)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

5, 16 “at least one frequency channel 

indicator”

(Claims 5, 16)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

9, 21 “causing the transmission of the 

reservation message on each 

frequency band separately”

(Claims 9, 21)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

U.S. Patent No. 9,294,060 (Case No. 6:20-cv-00493)

Claim(s) Claim Term Plaintiff’s Proposed Construction Defendant’s Proposed Construction

1, 10 “extracting a feature vector”

(Claims 1, 10)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 10 of 15
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(Proposed by Defendant)

1, 10 “level value is attenuated”

(Claims 1, 10)

(Proposed by Defendant)

Plain and ordinary meaning; not 

indefinite.

Indefinite under 35 U.S.C. § 112(b)

1, 10 “spectral shape parameter”

(Claims 1, 10)

(Proposed by Defendant)

Plain and ordinary meaning “A sub band energy level value or a sub 

band gain factor based on the sub band 

energy level value” 

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 11 of 15
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Dated: February 23, 2022 Respectfully submitted,

By: /s/ Ryan Loveless

Jonathan K. Waldrop (CA Bar No.

297903)(Admitted in this District)

jwaldrop@kasowitz.com

Darcy L. Jones (CA Bar No.

309474)(Admitted in this 

District) djones@kasowitz.com

Marcus A. Barber (CA Bar No.

307361)(Admitted in this District)

mbarber@kasowitz.com

ThucMinh Nguyen (CA Bar No.

304382)(Admitted in this District)

tnguyen@kasowitz.com

John W. Downing (CA Bar No.

252850)(Admitted in this District)

jdowning@kasowitz.com

Heather S. Kim (CA Bar No. 

277686)(Admitted in this District)

hkim@kasowitz.com

KASOWITZ BENSON TORRES

LLP

333 Twin Dolphin Drive, Suite 

200Redwood Shores, California 

94065 Telephone: (650) 453-

5170

Facsimile: (650) 453-5171

Paul G. Williams (GA Bar No.

764925)(Admitted in this District)

pwilliams@kasowitz.com

KASOWITZ BENSON TORRES

LLP

1230 Peachtree Street N.E., Suite 2445

Atlanta, Georgia 30309

Telephone: (404) 260-6080

Facsimile: (404) 260-6081

Joshua A. Whitehill (NY Bar No.

4766473)(Admitted pro hac vice)

jwhitehill@kasowitz.com

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 12 of 15
2

Bradley P. Lerman (NY Bar No.

4906079)(Admitted pro hac vice)

blerman@kasowitz.com

Jayita Guhaniyogi (NY Bar No.

5349022)(Admitted pro hac vice)

jguhaniyogi@kasowitz.com

Julianne Laporte (NY Bar No.

5547906)(Admitted pro hac vice)

jlaporte@kasowitz.com

Howard L. Bressler (NY Bar No. 

2487379)(Admitted pro hac vice)

hbressler@kasowitz.com

Shelley Ivan (NY Bar No. 4338067)

(Admitted pro hac vice)

sivan@kasowitz.com

Hershy Stern (NY Bar No.

4631024)(Admitted pro hac vice)

hstern@kasowitz.com

Charles A. Naggar (NY Bar No.

5356449)(Admitted pro hac vice)

cnaggar@kasowitz.com

Noah P. Dorman (DC Bar No.

1779821)(Admitted pro hac vice)

ndorman@kasowitz.com

KASOWITZ BENSON TORRES

LLP

1633 Broadway

New York, New York 

10019Telephone: (212)

506-1700

Facsimile: (212) 506-1800

Mark D. Siegmund (TX Bar No.

24117055)mark@swclaw.com

Craig D. Cherry (TX Bar No. 

24012419)craig@swclaw.com

Justin Allen (TX Bar No. 

24081977)justin@swclaw.com

STECKLER WAYNE

COCHRAN CHERRYPLLC

8416 Old McGregor 

RoadWaco, Texas 

76712

Telephone: (254) 651-3690

Facsimile: (254) 651-3689

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 13 of 15
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James L. Etheridge (TX Bar No.

24059147)jim@etheridgelaw.com

Ryan S. Loveless (TX Bar No. 

24036997)ryan@etheridgelaw.com

Brett A. Mangrum (TX Bar No.

24065671)brett@etheridgelaw.com

Travis L. Richins (TX Bar No.

24061296)travis@etheridgelaw.com

Jeffrey Huang

jhuang@etheridgelaw.co

mBrian M. Koide

brian@etheridgelaw.com

ETHERIDGE LAW GROUP,

PLLC

2600 E. Southlake Blvd., Suite 120 / 324

Southlake, Texas 76092

Telephone: (817) 470-7249

Facsimile: (817) 887-5950

ATTORNEYS FOR PLAINTIFF

WSOU INVESTMENTS, LLC 

d/b/aBRAZOS LICENSING 

AND DEVELOPMENT

By: /s/ Bradford Schulz

Lionel M. Lavenue

Virginia Bar No. 49,005

lionel.lavenue@finnegan.com

Bradford C. Schulz

Virginia Bar No.91,057

Bradford.schulz@finnegan.com

FINNEGAN, HENDERSON, FARABOW, 

GARRETT & DUNNER, LLP

1875 Explorer Street, Suite 800

Reston, VA 20190

Phone: (571) 203-2700

Fax: (202) 408-4400

Attorneys for Defendant,

ZTE Corporation

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 14 of 15
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CERTIFICATE OF SERVICE

I hereby certify that all counsel of record who are deemed to have consented to electronic 

service are being served with a copy of this document via the Court’s CM/ECF system on February 

23, 2022.

 

/s/ Ryan Loveless

 Ryan Loveless

Case 6:20-cv-00495-ADA Document 163 Filed 02/23/22 Page 15 of 15