Standards-driven technologies develop through several institutional layers that do not necessarily move together. Inventive activity may accelerate before licensing commitments consolidate, while certification and product diffusion can begin before the intellectual-property landscape has stabilised. This paper examines those relationships within the IEEE 802.11 ecosystem by combining three measurable layers: technology-proximate patent activity, IEEE Letter of Assurance dynamics and Wi-Fi Alliance certification diffusion. Four technologies are compared—Wi-Fi 5, Wi-Fi 6, Wi-Fi 7 and Wi-Fi Aware. Patent persistence is represented through a pulse width measure capturing the duration of elevated inventive activity rather than only the maximum annual filing count. Institutional participation is examined through the timing and concentration of Letters of Assurance, while certification entropy is used to represent how broadly adoption is distributed across product categories. Within the four cases examined, longer inventive pulses align with broader ecosystem diffusion more closely than isolated filing peaks, while institutional consolidation does not consistently precede certification. The paper treats these results as patterned observations within one standards family, not as a statistically universal prediction across all standards ecosystems.