Abstract
We examine the use of five strategies of securing rents from incremental product innovations: patents, secrecy, lead time, providing competitive service, and financial strength. We find that: regardless of appropriability regime, either formal intellectual property protection or use of non-financial assets for commercialisation of innovations were more important in securing rents from innovations than was the use of financial assets; combination of strategies may be the key to effective protection of innovation rents; out of patents, secrecy, lead time, services, and financial strength, the latter is the least viable strategy of sustaining new products' value except for market leaders.
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