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# Naturally occurring chemicals cannot be newly patented once

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Manager
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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22 Dec 2011, 00:40
1st one D.
Second one.. I'm guessing A?
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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27 Dec 2011, 19:40
My second thought. Choice B is wrong because it reverse the reasoning If A, then B => if B, then A. Agree with choice D is the correct one, which connect 2 premises together.
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Manager
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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01 Feb 2012, 09:19
+1 for D

Once a naturally occurring compound has been approved for use as a drug (that is the compound has been put on some testing programs and the structure and test results have been published), it can no longer be newly patented (because compound structure has been published, and based on the first sentence it's not allowed to get newly patented).
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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01 Feb 2012, 09:39
I think is D for the first one because patenting has nothing to do with testing of drugs. You can patent your natural chemical without using it in a drug. Therefore they are not related directly. Also one says NEWLY patented =/= patented, so I am guessing they're different things (patent can be renewed).
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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01 Feb 2012, 16:32
First question: +1 D

There are two important events in the case of naturally ocurring chemicals:

Time line: -------(1) Structure published ------(2) Authorization to be used as a drug (depends on (1))

The question stems mentions that once the strcuture has been published, the chemical cannot be pattented. In that sense, if the structure has been authorized to be used as a drug, this means that its structure has been published. Therefore, it cannot be pattented (when it has been approved to be used as a drug).

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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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14 Oct 2013, 06:45
SudiptoGmat wrote:
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established.

Just need to make an ordered sequence

Newly patented - Published - Drug

(D) is the only answer choice that respects the stated sequence

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Manager
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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08 Jul 2015, 20:12

Can one of the moderators fix this post? You're unable to select an answer. It just says that an answer was not provided after you click on it.

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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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23 Jul 2016, 13:50
once naturally occurring chemical is used as drug then its structure must have been published. so can't be patented.

D for me.
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Re: Naturally occurring chemicals cannot be newly patented once [#permalink]

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15 Aug 2017, 22:34
Merged topics. Please, search before posting questions!
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Re: Naturally occurring chemicals cannot be newly patented once   [#permalink] 15 Aug 2017, 22:34

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# Naturally occurring chemicals cannot be newly patented once

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