The iShares iBonds Oct 2035 Term TIPS ETF is engineered to replicate the financial performance of an underlying index. This benchmark index is constructed from U.S. Treasury Inflation-Protected Securities (TIPS) that are scheduled to mature in the year 2035. Additionally, the operational framework of this particular fund benefits from protection under U.S. Patent Nos. 8,438,100 and 8,655,770.