Inventions. All inventions, discoveries, data, technology, designs, innovations and improvements related to the Engagement or business of Verastem (including without limitation all inventions and improvements relating to Verastem prototypes or products) which are made, conceived or reduced to practice by Consultant, solely or jointly with others, during the Consultation Period shall be the sole property of Verastem. In addition, all inventions, discoveries, data, technology, designs, innovations and improvements which are made, conceived or reduced to practice by Consultant, solely or jointly with others, during the Consultation Period or thereafter, shall be the sole property of Verastem, if resulting or derived from Confidential Information (the inventions referenced in the first two sentences being hereinafter referred to as "Inventions"). Consultant hereby assigns to Verastem all rights Consultant has in Inventions and any and all related patents, copyrights, trademarks, trade names, and other industrial and intellectual property rights and applications therefor, in the United States and elsewhere and appoints any officer of Verastem as Consultant’s duly authorized attorney to execute, file, prosecute and protect the same before any government agency, court or authority. Upon the request of Verastem and at Verastem's expense, Consultant shall execute such further assignments, documents and other instruments as may be necessary or desirable to fully and completely assign all Inventions to Verastem and to assist Verastem in applying for, obtaining and enforcing patents or copyrights or other rights in the United States and in any foreign country with respect to any Invention. Consultant shall promptly disclose all relevant Inventions to Verastem in writing.