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Wavetronix LLC. v. Iteris, Inc.

Representative Claim

  1. At a roadway mounted sensor, the roadway mounted sensor monitoring vehicles on a portion of a roadway, a method for monitoring a signalized traffic flow, the method comprising:

an act of receiving sensor data, the sensor data indicating the presence of one or more vehicles within a continuous range of the monitored portion of the roadway, the received sensor data representing a portion of a signal that was transmitted by the roadway sensor into the portion of the roadway;

an act of using the received sensor data to determine estimated times-of-arrival of the one or more vehicles to a traffic control point associated with the monitored portion of the roadway, two or more times while the one or more vehicles are within the continuous range;

an act of determining a level of efficiency and safety for the traffic flow within the vicinity of the traffic control point based upon the estimated times-of-arrival; and

an act of reporting the level of efficiency and safety to a traffic control unit that is actively controlling the monitored signalized traffic flow.

Posture:

Motion for preliminary injunction.

Abstract Idea: Yes

Employing a mathematical formula.

Something More: Yes

“Merely employing a mathematical formula does not render a claimed method unpatentable where the method improves upon an existing technological process” (citing Alice (citing Diehr)); the evidence … indicates that the ’542 Patent significantly improved upon existing technological processes for providing dilemma zone protection,” and the “’542 Patent does not claim the mathematical formula itself, the concept of the dilemma zone, or an unimproved application of either.”