You failed to mention in your post if you recognized your child in the Birth Certificate, that being so, we will presume that indeed you did acknowledge the child as yours. As such, you are compelled to give support to your child. This is in accordance with Article 195 of the Family Code of the Philippines which reads as follows:
“Art. 195 Subject to the provisions of the succeeding articles, the following are obliged to support each other to the whole extent set forth in the preceding article: xxx
(4) Parents and their illegitimate children and the legitimate and illegitimate children of the latter; and xxx”
Insofar as the custody of your child is concerned, there is no doubt that it is the mother who shall exercise the same. This is because the parental authority over an illegitimate child is exercised only by the mother (Article 176 of the Family Code of the Philippines as amended by Republic Act (R. A.) No. 9255).
However, it does not follow that just because the child is under the sole parental authority of the mother, the biological father has no right over the child. The latter has a right to see or visit the child. This is the pronouncement of the Supreme Court in the case of Joey D. Briones vs. Maricel P. Miguel (G.R. No. 156343, October 18, 2004, 440 SCRA 455), to wit:
“We likewise affirm the visitorial right granted by the CA to petitioner. In Silva v. Court of Appeals, the Court sustained the visitorial right of an illegitimate father over his children in view of the constitutionally protected inherent and natural right of parents over their children. Even when the parents are estranged and their affection for each other is lost, their attachment to and feeling for their offspring remain unchanged. Neither the law nor the courts allow this affinity to suffer, absent any real, grave or imminent threat to the well-being of the child.”
Thus, your Ex-GF cannot deny your right to visit your child. However, there is no law mandating the frequency and the manner on how you shall exercise this right, it depends upon the consensus of both you.
To elaborate some more, tell me what happened, how did it arrived to his situation?