When changing an established corporate logo, there's a fine line between success and disaster.
This year, several major companies changed their logos, and some simply fell flat.
To identify the worst revamps, Business Insider looked through graphic-design publisher UnderConsideration's Brand New blog archives and picked out our least favorites. We only considered large, non-athletic-team or university brands that rolled out the changes in 2015.
Take a look below to see some of the worst redesigns of the year:
9. Lenovo is a rapidly growing Chinese tech company that had $1.1 billion in operating income this year. It hired Saatchi and Saatchi to give it a makeover worthy of a major global brand, but the result is underwhelming.
8. The design community has long hated Verizon's logo, and its new one from Pentagram isn't much of an improvement. The new lettering is more streamlined, but the tiny check mark detracts from the overall look.
7. The first redesign of CBS Sports' logo in 35 years also falls flat. The new font and boxy presentation ultimately appear staid and boring.
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