August 14, 2009 10:35 AM EDT
It may be useful to distinguish a bit between product development companies and invention promotion companies. Quality of service will certainly vary between product development companies, but the typical stories of fraud and scams I hear in the industry involve invention promotion companies.
Full disclosure: I am with Global Sourcing Specialists, a product
development and sourcing company, and we assist start-ups to go from
womb-to-tomb, meaning design through manufacturing. If interested, you
can view our website here, www.productgss.com, and view client testimonials
Happy to answer any questions.