IN THE UNITED STATES DISTRICT COURT 

FOR THE WESTERN DISTRICT OF TEXAS 

WACO DIVISION 

WSOU INVESTMENTS LLC,

 Plaintiff 

-vMICROSOFT CORPORATION, 

 Defendant 

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W-20-CV-00455-ADA 

W-20-CV-00467-ADA 

W-20-CV-00459-ADA 

W-20-CV-00463-ADA 

CLAIM CONSTRUCTION ORDER 

The Court held a Markman hearing on March 11, 2021. During that hearing, the Court 

provided its final constructions. The Court now enters those claim constructions. 

SIGNED this 17th day of March, 2021. 

ALAN D ALBRIGHT 

UNITED STATES DISTRICT JUDGE 

Case 6:20-cv-00455-ADA Document 56 Filed 03/17/21 Page 1 of 3
Term Plaintiff’s Proposed 

Construction 

Defendants’ Proposed 

Construction 

Court’s Final 

Construction 

“polarization beam splitter 

(PBS)” 

(’286 Patent, Claim 15) 

Plain and ordinary meaning “optical component with two 

conjoined prisms, each of 

which reflects light of one 

polarization and transmits light 

of an orthogonal polarization” 

Plain-and-ordinary meaning 

wherein the plain-and-ordinary 

meaning is an “optical 

component that reflects light of 

one polarization and transmits 

light of an orthogonal 

polarization” 

“quarter-wave plate” 

(’286 Patent, Claim 15) 

Plain and ordinary meaning “optical component that shifts 

a polarized light beam passing 

therethrough by one quarter 

wavelength” 

Plain-and-ordinary meaning 

wherein the plain-and-ordinary 

meaning is an “optical 

component that shifts light 

passing therethrough by about 

one quarter wavelength” 

“spatial light modulator 

(SLM)” 

(’286 Patent, Claim 15) 

Plain and ordinary meaning “optical component with a 2-

dimensional arrangement of 

pixels that displays an image” 

Plain-and-ordinary meaning 

wherein the plain-and-ordinary 

meaning is an “optical 

component that spatially 

modulates the characteristics 

(e.g., amplitude, phase, 

polarization, and/or intensity) 

of a light beam.” 

Case 6:20-cv-00455-ADA Document 56 Filed 03/17/21 Page 2 of 3
Term Plaintiff’s Proposed 

Construction 

Defendants’ Proposed 

Construction 

Court’s Final 

Construction 

“spatial light modulator 

(SLM)” 

(’241 Patent, Claim 15) 

Plain and ordinary meaning “optical component with a 2-

dimensional arrangement of 

pixels that displays an image” 

Plain-and-ordinary meaning 

wherein the plain-and-ordinary 

meaning is an “optical 

component that spatially 

modulates the characteristics 

(e.g., amplitude, phase, 

polarization, and/or intensity) 

of a light beam.” 

“third-party lobby” 

(’978 Patent, Claims 1, 12) 

Plain and ordinary meaning “lobby separate from the local 

lobby associated with the 

gaming session” 

“a lobby that has knowledge of 

many more third-party users 

and their preferences than the 

local lobby” 

“lobby” 

(’978 Patent, Claim 12) 

Plain and ordinary meaning “software and/or hardware that 

matches users to form groups” 

“software and/or hardware that 

matches users to form groups” 

“adaptor unit” 

(’988 Patent, Claim 20) 

Plain and ordinary meaning “a device, having a video 

receiver, hard disk, and CPU 

that encodes video data, that 

provides a game console with 

access to interactive services” 

“a device with at least a 

television tuner, a controller 

for controlling 

communications with the 

games console, and an 

interface to connect to the 

games console” 

Case 6:20-cv-00455-ADA Document 56 Filed 03/17/21 Page 3 of 3