It's not quite as big as some previous patent transactions
between the two companies, but it looks like Google did a fair bit more shopping from IBM's vast portfolio at the tail-end of 2011. As noted by the SEO by the Sea
blog, IBM transferred 188 granted patents and 28 published patent applications to Google during the last week of the year, including a number of patents related to phones and web browsers. Unfortunately, other key details like an acquisition price remain a mystery, but you can peruse some of the patents themselves at the source link below.