LTE is standardized through the 3GPP, and the specification for LTE mobile system (UE and base station) is published as TS 36 series. As the start of worldwide deployment of LTE mobile services, leading mobile equipment vendors, such as Ericsson, Huawei, LG, Motorola, Nokia, Qualcomm, and Samsung, are introducing various innovative LTE products. As the market for LTE products increases, aggressive efforts for holding the LTE essential patents are also intensified among LTE innovation leaders and OEM product manufactures.
Analysis of claims for the essential candidates in lists of patents declared essential to LTE appear at the ETSI IPR Online website suggests several strategy factors in drafting essential patent applications:
Strategy 1. Write the claim using several statutory claim types.
Strategy 2. Claim the invention in all of its commercially significant setting.
Strategy 3. Use claim terms which can match with a specific term in the standard.
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