Obviousness

Obviousness Analysis of US Patent 10,009,720 Under 35 U.S.C. § 103

This analysis assesses the obviousness of US Patent 10,009,720, titled "Method and system for monitoring a mobile station presence in a special area," under 35 U.S.C. § 103, considering combinations of the identified prior art references. The core inventive concept of US10009720, as articulated in independent claims 1 and 15, revolves around a mobile station receiving "checking data" from the mobile network. This checking data enables the mobile station to identify a "distinctive defining signal" transmitted by a radio communication defining device, thereby determining its presence in a "special area." Crucially, the same checking data is transmitted to any mobile station whose presence is monitored in that particular special area, aiming for increased flexibility and reduced modification of radio transmitting devices.

The prior art considered includes:

• US20020094801
• WO 00/27152
• US 2005/0124330 (Cullen et al.)
• US 2005/0288014 (Hansson)
• US 2004/0077366 (Bhatt et al.)

Prior Art Summaries Relevant to Obviousness

1. US20020094801: This document describes a fixed station sending an encoded signal, the coverage of which defines a special area. A mobile station and the fixed station are linked via the signal code. The patent also suggests that the fixed station could have receiving and comparison means for an access code applied via the mobile station to activate the fixed station.
2. WO 00/27152: This application discloses a guide unit broadcasting a short-range radio signal to define a home area. The short-range signal contains the identity code of a specific mobile station, which the mobile station identifies as its own to determine its presence in the home area. The mobile station then transmits a "home message" to the mobile network, which can be used to define price/service.
3. US 2005/0124330 (Cullen et al.): (Based on title from PTAB challenge) This patent pertains to a "Mobile Location Tracking System and Method," suggesting a general system for determining and monitoring the location of mobile devices.
4. US 2005/0288014 (Hansson): (Based on title from PTAB challenge) This patent describes a "Method and system for providing location-based services," indicating the use of location information to deliver various services.
5. US 2004/0077366 (Bhatt et al.): (Based on title from PTAB challenge) This patent focuses on a "Method and system for providing location-based services based on user profiles," implying personalized services contingent on both location and user-specific data.

Obviousness Argument for Claims 1 and 15

The distinguishing feature of US10009720 over the cited prior art is the mechanism for associating a mobile station with a special area: the mobile network transmits "checking data" to the mobile station, the mobile station stores and uses this data to recognize a distinctive defining signal for a special area, and the same checking data is provided to any mobile station monitored within that specific area.

A person having ordinary skill in the art (PHOSITA) would have been motivated to combine the teachings of the prior art references to arrive at the invention of US10009720, particularly in addressing the recognized limitations of existing location-based service solutions.

Combination 1: WO 00/27152 + US20020094801 + General Knowledge of Mobile Networks and Location-Based Services

• Motivation: WO 00/27152, while teaching mobile-side detection and reporting of presence for service adjustments, suffers from a lack of flexibility because the "guide unit" (radio communication defining device) must know and transmit the identity code of each specific mobile station it is monitoring. This implies that adding new mobile stations or special areas requires modifying the guide unit itself, which is resource-intensive and impractical for large-scale deployment, as explicitly pointed out in the US10009720 patent text. A PHOSITA would be motivated to overcome this scalability and flexibility limitation. US20020094801 introduces the concept of a "fixed station" transmitting a generic "encoded first signal" to define a special area, which aligns with the goal of making the radio defining signal generic rather than mobile-specific.

• How the combination renders US10009720 obvious:

  1. Radio Communication Defining Device and Distinctive Signal (Claim 1a, 15 checking means): WO 00/27152 discloses a "guide unit" broadcasting a radio signal that defines a "home area." US20020094801 teaches a "fixed station" sending an "encoded first signal" defining a "special area" by its coverage. A PHOSITA would readily understand that a radio communication defining device (guide unit or fixed station) could transmit a signal (e.g., an identifier like a cell ID, network ID, or beacon ID) that is "distinctive" for a particular area.
  2. Mobile Station Observation, Processing, and Determination (Claim 1b, 1c, 15 observing/processing means): Both WO 00/27152 and US20020094801 implicitly or explicitly teach a mobile station receiving and processing signals to determine its location relative to a defined area. The mobile station in WO 00/27152 identifies its own identity code within the received signal, demonstrating the capability of local processing and comparison.
  3. Mobile Station Sending Updating Signal to Network (Claim 1d, 15 transmission means): WO 00/27152 explicitly teaches the mobile station transmitting a "home message" to the mobile network about its location, which is then used for defining services (e.g., pricing). This establishes the concept of a mobile station reporting its presence status to the network.
  4. Network Routing to Special Operating Means to Adapt Operating Parameter (Claim 1e, 15 special operating means): WO 00/27152 teaches that the "home message" from the mobile station is used by the mobile switching centre (part of the mobile network) for "defining the price/service connected to telephone calls." This directly corresponds to special operating means adapting an operating parameter (like a tariff or service flag) based on the mobile's presence.
  5. The "Checking Data" Mechanism (Characterizing feature of Claim 1 & 15): To overcome the aforementioned inflexibility of WO 00/27152 (where the radio device needs to know mobile-specific IDs), a PHOSITA would naturally consider making the broadcast signal from the radio communication defining device generic to the area (e.g., a "special mobile telephone network identification code" as in US10009720's FIG. 1, or a wireless device ID as in FIG. 2, or a base station ID as in FIG. 3). For the mobile station to then discern which of these generic signals correspond to its designated "special areas," the necessary identification information (the "checking data") would logically be transmitted to the mobile station by the mobile network (which centrally manages user subscriptions and associated special areas, as evidenced by network's role in WO 00/27152 for pricing/services). Furthermore, if a particular special area is defined by a single generic identifier (e.g., Cell ID 'X'), it would be an obvious design choice to distribute that same identifier (the checking data) to all mobile stations that are subscribed to have their presence monitored in that specific area. This approach centralizes management at the network level and eliminates the need for individual configuration of radio communication defining devices per mobile station, directly addressing the stated problem of flexibility.

Combination 2: Cullen et al. (US 2005/0124330) + Hansson (US 2005/0288014) + Bhatt et al. (US 2004/0077366) + General Knowledge

• Motivation: A PHOSITA would be motivated to combine generic mobile location tracking (Cullen et al.) with the provision of location-based services (Hansson) and further personalize these services using user profiles (Bhatt et al.). The overall motivation would be to develop a comprehensive and customizable system for location-aware service delivery.

• How the combination renders US10009720 obvious:

  1. Location Tracking and Special Areas: A "Mobile Location Tracking System and Method" (Cullen et al.) would inherently involve mechanisms for determining a mobile device's position, often using signals from network infrastructure. The concept of "special areas" would be an obvious application of location tracking, where specific geographical or signal-defined zones trigger particular actions or services.
  2. Location-Based Services and Parameter Adaptation: "Method and system for providing location-based services" (Hansson) directly teaches modifying services based on location. "Method and system for providing location-based services based on user profiles" (Bhatt et al.) further teaches that these services can be tailored to individual users. This directly translates to the "special operating means" adapting "operating parameters" (like tariff or service flags) based on a mobile station's presence in a special area, potentially informed by a user profile.
  3. The "Checking Data" Mechanism: In developing such location-based services, a PHOSITA would recognize that to enable a mobile station to locally determine its presence in a defined service area (e.g., a specific "special area" identified by a cell ID, beacon signal, or network ID), the mobile station needs to be provisioned with the identifiers for those areas. This provisioning data, the "checking data," would be transmitted from the network (which manages the service subscriptions and user profiles). If multiple users subscribe to services within the same special area, it would be a straightforward and obvious design decision for the network to send the same identifier for that shared area to all those users' mobile stations, allowing consistent detection and service application. This avoids needing the network infrastructure itself to be individually aware of each mobile station, promoting efficiency and scalability in the management of location-based services.

Conclusion

Considering the combined teachings of the prior art, particularly the problem of flexibility and scalability in WO 00/27152 and the concept of generic area-defining signals in US20020094801, a PHOSITA would have been motivated to transmit area-specific "checking data" from the network to mobile stations for local detection of special areas. The further common-sense step of sending the same checking data to any mobile station monitored in a shared special area would be an obvious design choice to simplify management and achieve the desired flexibility and scalability. The general field of location-based services, as indicated by the titles of Cullen et al., Hansson, and Bhatt et al., further supports that the elements of detecting presence, reporting to a network, and adjusting services based on location and user profiles were well-known at the time of the invention.

Therefore, the independent claims 1, 15, 22, 23, and 24 of US10009720, which embody this method and system, would have been obvious to a PHOSITA at the time of the invention.